吉日
《产经》云∶正月亥子 二月丑寅 三月巳午寅 四月申酉卯 五月亥酉 六月寅卯辰
七月午 八月未申 九月巳亥 十月寅申 十一月未午 十二月申酉
又云∶甲乙生丙丁藏 丙丁生戍巳藏 戊己生庚辛藏 庚辛生壬癸藏 壬癸生甲乙藏
忌日
《产经》云∶春无以甲乙，夏无以丙丁，秋无以庚辛，冬无以壬癸。
上四时忌日，皆恶，不避，身子俱亡。
又云∶甲辰、乙巳、丙丁、午未、戊申、戊戍
上日勿藏胞，净洗十余过，置瓮中须待良日乃藏之。
又云∶避月十日、二十日、月未尽一日，不可埋胞，大凶。
又云∶当避月一日、十一日、二十一日，凶。
又云∶避建、除、破、厄、闭日，大凶。
又云∶勿以儿生日，令儿不寿。
又云∶藏胞以 日，小儿死。（又 日法在《湛余经》中。）
又云∶无以八魁日、复日、伯日、小儿生相克日，皆忌。
《产经》云∶藏胞阴地，不见日月，若垣壁下，若粪中，水渎，坑坎之旁，若清溷（胡
困反）旁，皆不宜藏之。令儿多气疾，疮疥，痈肿也。
藏胞当道中，若四衢对间，令儿娄逢县官飞官，遇疫疾。藏胞近故井，若社稷旁，冢墓
之边，祠神处所，所居近者，皆令狂痴不寿。
藏胞故器瓦瓮者，儿令五罪，凶。
藏胞火烧之处者，令儿则烧死，凶。
藏胞勿令入虫蛾草等入者，令儿丑恶，多死疡疮病，凶。
藏胞近社祠，若故社处旁，鬼神祭所，令儿魂魄飞扬不具恶梦，奔走如狂。痴癫，儿脉
易惊恐啼，喜见鬼，生恶疮肿，肠痈。
藏胞勿令犬鼠猪食之，令儿惊螈多疾。
藏胞故垣墙下令儿常病腹肠。
藏胞中道令儿戮死不寿，后无子孙。
藏胞故坟井处，令儿耳目不聪，害孔窍。
藏胞当门户，令儿痴，失明，喑聋。
藏胞水旁故池处，令儿以为溺死不葬。
藏胞溜中令儿失精明而盲。
藏胞牛兰若故 窖处，令儿痴。
又云∶勿以小儿行年上。（男寅女申为行年上。）又避小儿祸害绝命之地。（天门绝命地，
鬼门祸害地。）
吉日
《产经》记载：正月的亥日、子日为吉；二月的丑日、寅日为吉；三月的巳日、午日、寅日为吉；四月的申日、酉日、卯日为吉；五月的亥日、酉日为吉；六月的寅日、卯日、辰日为吉；七月的午日为吉；八月的未日、申日为吉；九月的巳日、亥日为吉；十月的寅日、申日为吉；十一月的未日、午日为吉；十二月的申日、酉日为吉。
又说：天干为甲、乙的日子，宜在丙、丁日埋藏胞衣；天干为丙、丁的日子，宜在戌、巳日埋藏胞衣；天干为戊、己的日子，宜在庚、辛日埋藏胞衣；天干为庚、辛的日子，宜在壬、癸日埋藏胞衣；天干为壬、癸的日子，宜在甲、乙日埋藏胞衣。
忌日
《产经》记载：春季不宜在甲日、乙日埋藏，夏季不宜在丙日、丁日埋藏，秋季不宜在庚日、辛日埋藏，冬季不宜在壬日、癸日埋藏。
上述四季的忌日，都是凶恶之日，如果不避开，会导致母亲和孩子双双死亡。
又说：甲辰日、乙巳日、丙日、丁日、午日、未日、戊申日、戊戌日（原文“戊戍”应为“戊戌”之误）。
这些日子不要埋藏胞衣，要将其用清水冲洗十余遍，放入瓮中，必须等待良辰吉日再行埋藏。
又说：要避开每月的初十日、二十日以及月末最后一天，不可埋藏胞衣，否则大凶。
又说：要避开每月的初一、十一、二十一，否则不吉利。
又说：要避开建日、除日、破日、厄日、闭日，否则大凶。
又说：不要在婴儿出生的当天埋藏胞衣，否则会使孩子寿命不长。
又说：在某日埋藏胞衣，会导致小儿死亡。（具体的某日法则记载在《湛余经》中。）
又说：不要使用八魁日、复日、伯日、以及与孩子生辰相克的日子，这些都是禁忌。
《产经》记载：埋藏胞衣应选择阴暗之地，不见日月阳光，比如在墙垣之下，或者粪堆之中，水沟里，坑坎旁边，或者厕所（清溷）旁边，都不适宜埋藏。这样做会导致孩子多患气疾、疮疥、痈肿等病。
将胞衣埋在道路中间，或者四通八达的路口对面，会导致孩子经常遇到官司诉讼或意外飞来的灾祸，并遭遇瘟疫疾病。
将胞衣埋藏在旧井旁，或者社稷神坛旁边，坟墓边缘，祭祀神灵的地方，如果居住地离这些地方很近，都会导致孩子精神狂乱痴呆、寿命不长。
将胞衣埋藏在废弃的器皿、瓦罐处，孩子会犯下五种罪孽，非常凶险。
将胞衣埋藏在曾经被火烧过的地方，会导致孩子最终被烧死，非常凶险。
埋藏时不要让昆虫、蛾类、草屑等进入胞衣内，否则会导致孩子相貌丑陋，多死于溃疡疮毒等疾病，非常凶险。
将胞衣埋藏在靠近社祠、旧社坛旁边、鬼神祭祀场所的地方，会导致孩子魂魄飞扬散失、身体不全、做恶梦，奔跑如狂，痴癫，孩子脉搏容易惊恐啼哭，喜欢看见鬼怪，生恶疮肿毒，肠痈。
埋藏时不要让狗、老鼠、猪吃掉胞衣，否则会导致孩子惊风抽搐，多病。
将胞衣埋藏在旧墙垣之下，会导致孩子经常患有腹部肠道疾病。
将胞衣埋在路中间，会导致孩子遭杀戮而死，寿命不长，后代没有子孙。
将胞衣埋藏在旧坟、旧井处，会导致孩子耳目不灵敏，损害孔窍。
将胞衣埋在门户正前方，会导致孩子痴傻，失明，哑聋。
将胞衣埋在水边旧池塘处，会导致孩子最终溺死且不得安葬。
将胞衣埋在排水沟中，会导致孩子失去精明而失明。
将胞衣埋在有牛兰若（一种植物或地名，此处指荒凉或特定植被处）的旧窖处，会导致孩子痴傻。
又说：不要在小儿行年（男命起寅，女命起申）的方位上埋藏。又要避开小儿的祸害、绝命之地。（天门是绝命地，鬼门是祸害地。）
Auspicious Days
The *Chan Jing* (Classic of Childbirth) states: In the first month, Hai and Zi days are auspicious; in the second month, Chou and Yin days are auspicious; in the third month, Si, Wu, and Yin days are auspicious; in the fourth month, Shen, You, and Mao days are auspicious; in the fifth month, Hai and You days are auspicious; in the sixth month, Yin, Mao, and Chen days are auspicious; in the seventh month, Wu day is auspicious; in the eighth month, Wei and Shen days are auspicious; in the ninth month, Si and Hai days are auspicious; in the tenth month, Yin and Shen days are auspicious; in the eleventh month, Wei and Wu days are auspicious; in the twelfth month, Shen and You days are auspicious.
It also states: When the Heavenly Stems are Jia or Yi, bury the placenta on Bing or Ding days; when the Heavenly Stems are Bing or Ding, bury it on Xu or Si days; when the Heavenly Stems are Wu or Ji, bury it on Geng or Xin days; when the Heavenly Stems are Geng or Xin, bury it on Ren or Gui days; when the Heavenly Stems are Ren or Gui, bury it on Jia or Yi days.
Inauspicious Days
The *Chan Jing* states: In spring, do not bury on Jia or Yi days; in summer, do not bury on Bing or Ding days; in autumn, do not bury on Geng or Xin days; in winter, do not bury on Ren or Gui days.
All the aforementioned inauspicious days for the four seasons are evil. If one does not avoid them, both the mother and child will perish.
It also states: Do not bury on Jia Chen, Yi Si, Bing, Ding, Wu, Wei, Wu Shen, or Wu Xu days.
On these days, do not bury the placenta. Wash it thoroughly with clean water more than ten times, place it in an urn, and wait for an auspicious day to bury it.
It also states: Avoid the 10th, 20th, and the last day of the lunar month for burying the placenta; doing so brings great misfortune.
It also states: Avoid the 1st, 11th, and 21st days of the month; these are inauspicious.
It also states: Avoid Jian (Establishment), Chu (Removal), Po (Break), E (Oppression), and Bi (Closure) days; doing so brings great misfortune.
It also states: Do not bury the placenta on the day of the infant's birth, as this will shorten the child's lifespan.
It also states: Burying the placenta on [specific] days causes the infant to die. (The specific method for these days is found in the *Zhan Yu Jing*).
It also states: Do not use Ba Kui days, Fu days, Bo days, or days that clash with the infant's birth date; all are taboo.
The *Chan Jing* states: The placenta should be buried in a yin location, hidden from the sun and moon, such as under walls, in manure piles, in ditches, beside pits or depressions, or near latrines (qing hun). These places are unsuitable for burial. Doing so causes the child to suffer from Qi disorders, sores, scabies, carbuncles, and swellings.
Burying the placenta in the middle of a road or opposite an intersection causes the child to frequently encounter lawsuits or sudden disasters, and to contract epidemics.
Burying the placenta near old wells, beside altars to Sheji (Earth and Grain Gods), near tombs, or at places where spirits are worshipped, especially if close to the residence, causes the child to become mad, foolish, and short-lived.
Burying the placenta in discarded vessels or broken pottery causes the child to incur five sins and is highly inauspicious.
Burying the placenta in places previously burned by fire causes the child to eventually die by burning, which is highly inauspicious.
Prevent insects, moths, grass, etc., from entering the buried placenta; otherwise, the child will have an ugly appearance and often die from ulcerative sores and diseases, which is highly inauspicious.
Burying the placenta near She shrines, old altar sites, or places of ghost/spirit worship causes the child's soul to scatter, leading to incomplete physical/mental development, nightmares, running wildly like a madman, dementia, epilepsy, easily startled pulses, crying fits, hallucinations of ghosts, malignant sores and swellings, and intestinal abscesses.
Do not let dogs, rats, or pigs eat the placenta; otherwise, the child will suffer from convulsions and frequent illnesses.
Burying the placenta under old wall foundations causes the child to constantly suffer from abdominal and intestinal diseases.
Burying the placenta in the middle of a path causes the child to be killed prematurely, live a short life, and have no descendants.
Burying the placenta in old graves or wells causes the child to have poor hearing and vision, damaging the sensory orifices.
Burying the placenta directly in front of doors causes the child to become foolish, blind, mute, and deaf.
Burying the placenta near water or in old ponds causes the child to eventually drown and remain unburied.
Burying the placenta in drainage ditches causes the child to lose mental clarity and go blind.
Burying the placenta in old cellars associated with "Niu Lanruo" (a specific plant or locale) causes the child to become foolish.
It also states: Do not bury the placenta in the direction of the infant's Xing Nian (Annual Luck Pillar: starting from Yin for males and Shen for females). Also avoid the locations of the infant's Huo Hai (Disaster) and Jue Ming (Extinction). (Tian Men is the Jue Ming location; Gui Men is the Huo Hai location.)