形如未开莲蕊，中有七孔三毛。位居背脊第五椎。各脏皆有系附于心。
属火，旺于夏四、五月，色主赤。苦味入心。外通窍于舌。出汁液为汗。在七情主忧乐，在身主
血与脉。所藏者神，所恶者热。
面色赤者，心热也。好食苦者，心不足也，怔忡善忘者，心虚也。
心有病，舌焦苦、喉干、不知五味，无故烦躁，口生疮、作臭，手心足心热。
形如悬瓠，有七叶，左三右四。位居背脊第九椎，乃背中间脊骨第九节也。
属木，旺于春正、二月，色主青，酸味入肝。外通窍于目。出汁液为泪。在七情主怒，在身主筋与
爪。所统者血，所藏者魂，所恶者风。
肝有病，眼生蒙翳，两眼角赤痒，流冷泪，眼下青，转筋，昏睡，善恐，如人将捕之。
面色青者，肝盛也。好食酸者，肝不足也。多怯者，肝虚也。多怒者，肝实也。
形如镰刀。附于胃。运动磨消胃内之水谷。
属土，旺于四季月，色主黄。甘味入脾。外通窍于口。出汁液为涎。在七情主思虑，在身主肌肉。
所藏者志，所恶者湿。
面色黄者，脾弱也。好食甜者，脾不足也。
脾有病，口淡，不思食，多涎，肌肉消瘦。
形如悬磬，六叶两耳，共八叶。上有气管通至喉间。位居极上，附背脊第三椎，为五脏之华盖。
属金，旺于秋七、八月，色主白。辛味入肺。外通窍于鼻。出汁液为涕。在七情主喜，在身主皮
毛。所统者气，所藏者魄，所恶者寒。
面色淡白无血色者，肺枯也。右颊赤者，肺热也。气短者，肺虚也。背心畏寒者，肺有邪也。
肺有病，咳嗽气逆，鼻塞不知香臭，多流清涕，皮肤燥痒。
心脏的形状像未开放的莲花花蕊，内部有七个孔洞和三根毛发。心脏位于背部脊柱第五椎骨处。各脏腑都有系带连接附着于心脏。
心归属于火行，在夏季四月、五月时气机旺盛，面色主赤色。苦味容易进入心脏。体外通过舌窍与心相通。心分泌的津液表现为汗液。在七情中，心主管忧和乐；在身体机能上，心主管血液和脉管。心所藏的是神志，心厌恶热邪。
面色发红，是心热的表现。喜欢吃苦味食物，说明心气不足；经常心悸、健忘，是心虚的表现。
心脏发生病变时，会出现舌头焦苦、喉咙干燥、不知五味、无故烦躁、口中生疮且散发臭味、手心脚心发热等症状。
肝脏的形状像悬挂的葫芦，有七片叶子，左边三片，右边四片。肝脏位于背部脊柱第九椎骨，即背部中间脊骨的第九节处。
肝归属于木行，在春季正月、二月时气机旺盛，面色主青色。酸味容易进入肝脏。体外通过目窍与肝相通。肝分泌的津液表现为泪液。在七情中，肝主管愤怒；在身体机能上，肝主管筋腱和指甲。肝统摄血液，肝所藏的是魂，肝厌恶风邪。
肝脏发生病变时，眼睛出现翳障，眼角红肿发痒，流出冷泪，眼下发青，筋脉抽搐拘挛，昏沉嗜睡，容易恐惧，感觉像有人要抓捕自己一样。
面色发青，是肝气盛实（肝旺）的表现。喜欢吃酸味食物，说明肝气不足；多胆怯，是肝虚的表现；易怒，是肝实（肝气郁结或亢盛）的表现。
脾脏的形状像镰刀。脾依附于胃。脾的运动起到磨碎消化胃内水谷的作用。
脾归属于土行，在四季末月（每季最后一个月）气机旺盛，面色主黄色。甘味容易进入脾脏。体外通过口窍与脾相通。脾分泌的津液表现为涎液。在七情中，脾主管思虑；在身体机能上，脾主管肌肉。脾所藏的是意志，脾厌恶湿邪。
面色发黄，是脾气虚弱（脾弱）的表现。喜欢吃甜味食物，说明脾气不足。
脾脏发生病变时，口中淡而无味，不想进食，口水增多，肌肉消瘦。
肺脏的形状像悬挂的磬，有六片叶子和两个耳状突起，共八片叶子。肺上有气管通至喉间。肺位于最高处，依附于背部脊柱第三椎骨，被称为五脏的华盖。
肺归属于金行，在秋季七月、八月时气机旺盛，面色主白色。辛味容易进入肺脏。体外通过鼻窍与肺相通。肺分泌的津液表现为鼻涕。在七情中，肺主管喜悦；在身体机能上，肺主管皮肤和毫毛。肺统摄气，肺所藏的是魄，肺厌恶寒邪。
面色淡白无血色，是肺气枯槁（肺枯）的表现。右脸颊发红，是肺热的表现。呼吸短促，是肺虚的表现。背心部位怕冷，是肺受邪气的表现。
The heart resembles an unopened lotus bud, containing seven orifices and three hairs. It is located at the fifth thoracic vertebra of the spinal column. All viscera are attached to the heart via their respective ligaments or connections.
The Heart belongs to Fire, flourishing in the fourth and fifth months of summer. Its associated color is Red. The Bitter taste enters the Heart. Externally, it opens into the tongue. Its secreted fluid manifests as sweat. In the Seven Emotions, it governs worry and joy. In the body, it governs Blood and vessels. What it stores is Shen (Spirit), and what it dislikes is Heat.
A red complexion indicates Heart Heat. A preference for bitter foods suggests Heart deficiency. Palpitations and forgetfulness indicate Heart Qi deficiency.
When the Heart is diseased, symptoms include a scorched and bitter tongue, dry throat, loss of taste, inexplicable irritability, mouth ulcers with foul odor, and heat in the palms and soles.
The liver resembles a hanging gourd, with seven lobes: three on the left and four on the right. It is located at the ninth thoracic vertebra of the spinal column, specifically the ninth segment of the midline spine.
The Liver belongs to Wood, flourishing in the first and second months of spring. Its associated color is Green/Cyan. The Sour taste enters the Liver. Externally, it opens into the eyes. Its secreted fluid manifests as tears. In the Seven Emotions, it governs anger. In the body, it governs sinews and nails. It controls Blood, stores Hun (Ethereal Soul), and dislikes Wind.
When the Liver is diseased, symptoms include visual obscurations (cataracts/epiphora), redness and itching at the corners of the eyes, cold tearing, bluish discoloration under the eyes, muscle spasms/twitching, drowsiness, excessive fear, and a sensation as if being pursued by someone.
A green/cyan complexion indicates Liver excess (hyperactivity). A preference for sour foods suggests Liver deficiency. Timidity indicates Liver deficiency. Irritability indicates Liver excess.
The spleen resembles a sickle. It adheres to the Stomach. Its movement grinds and digests the food and fluids within the stomach.
The Spleen belongs to Earth, flourishing in the last month of each season. Its associated color is Yellow. The Sweet taste enters the Spleen. Externally, it opens into the mouth. Its secreted fluid manifests as saliva. In the Seven Emotions, it governs overthinking/pensiveness. In the body, it governs muscles. What it stores is Zhi (Willpower), and what it dislikes is Dampness.
A yellow complexion indicates Spleen weakness. A preference for sweet foods suggests Spleen deficiency.
When the Spleen is diseased, symptoms include a bland taste in the mouth, anorexia/lack of appetite, excessive salivation, and muscle emaciation.
The lungs resemble a hanging chime stone, with six lobes and two auricles, totaling eight lobes. There is a trachea connecting from above to the throat. The Lungs are located at the highest position, adhering to the third thoracic vertebra of the spinal column, serving as the "Canopy" (Huagai) of the five viscera.
The Lung belongs to Metal, flourishing in the seventh and eighth months of autumn. Its associated color is White. The Pungent/Acrid taste enters the Lung. Externally, it opens into the nose. Its secreted fluid manifests as nasal mucus. In the Seven Emotions, it governs joy. In the body, it governs skin and body hair. It controls Qi, stores Po (Corporeal Soul), and dislikes Cold.
A pale white complexion lacking luster indicates Lung exhaustion/dryness. Redness on the right cheek indicates Lung Heat. Shortness of breath indicates Lung deficiency. Chills in the back region indicate pathogenic invasion of the Lung.
When the Lungs are diseased, symptoms include cough, rebellious Qi (asthma/wheezing), nasal congestion with loss of smell, frequent clear nasal discharge, and dry, itchy skin.