儿生自乳养者。一切不论。若令乳母乳养者。必择其人。若有宿疾。狐臭瘿 。上气喘嗽。疥癣头疮。龟胸驼背。
鼻紧唇。痴聋喑哑。颠狂惊痫。痈疽等疾。并不可令乳儿也。
凡乳母乃血气化为乳汁。则吾性善恶。悉由血气所生。应喜怒饮食。一切禁忌并宜戒慎。若纵性恣意。因而乳儿。
则令儿感生疾病也。若房劳乳儿。则令儿瘦瘁。交胫不能行。若醉以乳儿。则令儿身热腹满。若蓄热乳儿。则令儿变黄。
不能食。若怒作乳儿。则令儿惊狂上气。若吐下乳儿。则令儿虚羸气弱。是皆所忌也。
凡每乳儿。乳母当先以手按散其热。然后与儿吮之。若乳汁涌。恐儿咽乳不及。虑防呛噎。则辄夺之。令儿少息。
又复与之。如是数反则可也。又当视儿饥饱节度。一日之中，知几乳而足量以为常。每于早晨。若有宿乳。须当捻去。
若夏月不去热乳。令儿吐 。冬月不去寒乳。令儿咳痢。又若儿大喜之后。不可便乳。令儿惊痫。若儿大哭之后。不可
便与乳。令儿吐泻。又乳儿不可太饱。恐停滞不化。若太饱。则以空乳令吮则消。
凡每乳儿。乳母当以臂枕儿头。令儿口与乳齐。乃乳之。不可用膊。即太高。令儿饮乳不快。多致儿噎。又乳母欲
寐。则夺去其乳。恐睡着不觉。被乳填沃口鼻。别生其他事。又且不知儿饥饱也。
凡儿生六十日。目瞳子成。能识人。百日。任脉反复。一百八十日。尻骨成。能独坐。二百日。掌骨成。能匍匐。
三百日。膑骨成。能独立。三百六十日，膝骨成。能移步。乳母常须根据时按节。续续教引。使
儿能会。此是定法也。即不得常常抱持。过时都不教引。致令儿筋骨弛堕。又恐成腰脚之疾也。
凡是婴儿出生后由母亲亲自哺乳养育的，一概不在此讨论。如果是让乳母来哺乳养育的，必须仔细挑选人选。如果乳母患有陈旧性疾病，如狐臭、瘿病（甲状腺肿大）、上气喘促咳嗽、疥癣头疮、龟胸驼背、鼻紧唇裂、痴聋喑哑、颠狂惊痫、痈疽等疾病，都不可让她哺乳婴儿。
凡是乳母的乳汁是由血气转化而成的，因此乳母性情的善恶，完全由血气所决定。乳母的情绪喜怒和饮食禁忌，一切都需要谨慎戒除。如果放纵性情肆意妄为，进而给婴儿哺乳，就会使婴儿感染产生疾病。如果在房事后立即哺乳，会使婴儿消瘦憔悴，双腿交叉无法行走；如果醉酒后进食乳汁给婴儿，会使婴儿身体发热、腹部胀满；如果体内蓄积热毒时哺乳，会使婴儿面色发黄，不能进食；如果愤怒时哺乳，会使婴儿受到惊吓而发狂、上气喘逆；如果呕吐或腹泻后哺乳，会使婴儿虚弱羸瘦、气息微弱。这些都是应当忌讳的。
每次给婴儿哺乳前，乳母应当先用手按摩散去乳房的热气，然后再让婴儿吮吸。如果乳汁涌出急迫，担心婴儿吞咽不及，预防呛噎，就应当暂时停止，让婴儿稍作休息，然后再继续给予。像这样反复几次是可以的。还应当观察婴儿饥饱的程度，一天之中，知道喂几次奶才够量，以此作为常规。每天早晨，如果有残留的乳汁，必须将其挤出丢弃。如果夏天不除去热性的乳汁，会让婴儿呕吐；冬天不除去寒性的乳汁，会让婴儿咳嗽、痢疾。另外，如果婴儿大喜之后，不可以立即哺乳，否则会导致婴儿惊痫；如果婴儿大哭之后，不可以立即哺乳，否则会导致婴儿吐泻。此外，哺乳不可让婴儿过饱，恐怕食物停滞不消化。如果吃得太饱，就用空乳房让婴儿吮吸，以帮助消化。
每次给婴儿哺乳，乳母应当用胳膊枕着婴儿的头，使婴儿的口与乳头齐平，然后进行哺乳。不可使用肩膀垫高，那样太高了，会让婴儿喝奶不舒服，多导致婴儿噎住。另外，如果乳母想要睡觉，就要把乳头从婴儿口中取出，恐怕睡着后没有察觉，被乳汁填满淹没口鼻，引发其他意外，同时也无法知晓婴儿的饥饱情况。
凡是婴儿出生六十天，瞳孔发育完成，能识别他人；一百天，任脉循环通畅；一百八十天，尾椎骨长成，能独自坐立；二百天，掌骨长成，能匍匐爬行；三百天，膝盖骨（髌骨）长成，能独立站立；三百六十天，膝部骨骼长成，能移动步伐。乳母常常需要根据时节和生长阶段，持续不断地教导引导，使婴儿能够学会这些动作。这是固定的法则。即不得经常抱持而不加引导，过时都不教导练习，致使婴儿筋骨松弛下垂，又恐怕形成腰脚方面的疾病。
For infants raised and nursed by their biological mothers, this discussion does not apply. If a wet nurse is employed to nurse the infant, one must carefully select the candidate. If the wet nurse suffers from chronic diseases such as fox odor (body malodor), goiter (enlargement of the thyroid gland), asthma with coughing, scabies, tinea capitis, pigeon chest or hunchback, tight nose and lips, deafness and muteness, mania, epilepsy, carbuncles, and sores, she must not be allowed to nurse the infant.
The milk produced by a wet nurse is transformed from blood and qi; thus, the goodness or badness of her temperament is entirely generated by her blood and qi. Her emotional fluctuations (anger and joy) and dietary taboos must all be strictly observed and avoided. If she indulges her temper and acts recklessly while nursing, it will cause the infant to contract diseases. Nursing immediately after sexual intercourse will cause the infant to become emaciated and weak, with crossed legs unable to walk. Nursing while drunk will cause the infant to have a feverish body and abdominal distension. Nursing when there is accumulated heat in the body will cause the infant to turn yellow and lose appetite. Nursing while angry will cause the infant to become startled, manic, and suffer from upward rushing of qi. Nursing after vomiting or diarrhea will cause the infant to become frail and weak in qi. All these are prohibited.
Before each nursing session, the wet nurse should first use her hand to massage and dissipate the heat in the breasts, then allow the infant to suckle. If the milk flow is too vigorous, fearing the infant cannot swallow fast enough and risking choking, the nurse should temporarily withdraw the breast, let the infant rest briefly, and then resume. This process may be repeated several times. One must also observe the infant's hunger and satiety levels, determining how many feedings per day constitute an adequate amount as a routine. Every morning, any residual milk must be expressed and discarded. In summer, failing to remove "hot" milk will cause the infant to vomit; in winter, failing to remove "cold" milk will cause the infant to cough and suffer from dysentery. Furthermore, if the infant has just experienced great joy, nursing should not occur immediately, lest it induce epilepsy due to shock. If the infant has just been crying loudly, nursing should not occur immediately, lest it induce vomiting and diarrhea. Additionally, the infant should not be overfed, as this may lead to food stagnation and indigestion. If the infant is too full, offering an empty breast for sucking can help aid digestion.
During each nursing session, the wet nurse should support the infant's head with her arm, aligning the infant's mouth with the nipple before nursing. Using the shoulder as support is inadvisable as it positions the breast too high, causing discomfort during feeding and often leading to choking. Moreover, if the wet nurse feels drowsy, she should remove the breast from the infant's mouth to prevent falling asleep unnoticed, which could result in milk flooding the infant's mouth and nose, causing other accidents, and also prevents her from knowing whether the infant is hungry or full.
At sixty days old, an infant's pupils are fully formed, and they can recognize people. At one hundred days, the Ren Mai (Conception Vessel) circulation becomes complete. At one hundred and eighty days, the sacral bone develops, enabling independent sitting. At two hundred days, the metacarpal bones develop, enabling crawling. At three hundred days, the patella develops, enabling standing independently. At three hundred and sixty days, the knee bones develop, enabling walking. The wet nurse must constantly guide and teach the infant according to the seasons and developmental stages, continuously assisting them to master these skills. This is the established method. One must not hold the infant constantly without providing guidance or practice at appropriate times, which would lead to flaccid and drooping muscles and bones, and potentially result in disorders of the waist and legs.