唇黑痰多者死。唇卷喉痛者死。唇干焦者，邪在肌肉。唇反舌卷者死。唇燥舌干者，
脾热。焦唇黑者死。唇青黑者寒症。唇黄者血虚。唇反肉肿者死。唇口生疮声哑者，虫积。
唇青舌卷囊缩者死。唇吻青者死。唇黄者，脾热血虚。唇赤而肿者热症。唇焦赤者，脾热。
唇焦红者吉。唇紫者虫积。唇白者失血及呕吐。唇淡白者气虚。唇口俱黑者死。唇齿焦
黑者燥屎。唇青人中平满者死。怒气上冲唇青者，当平肝和胃。吐后唇白者，当养胃调气。
唇燥裂者脾热。唇口舌苔有断纹者死。唇缩气喘者死。唇肿齿焦者死。唇反舌缩者死。唇
吊齿燥下痢者死，人中反不语者死。
口中红吐血，又有痰涎而息轻者死。口如鱼嘴尖起者死。口中气出不返者死。口噤
难言者痉症，及痰厥中寒。环口黧黑者死。口酸者肝热。口甜者，脾热及痰。口苦者，心
热及胆热。口干者胃热。口臭及口淡者胃热。口辣者，肺热。口咸咽干者，肾热。口有血
腥味者，胃热。口不知食味者，津液伤。口中不仁者，外感。口难出言者，血少。口张
气直出者，死。口张脚肿，脉绝者，五日死。口目动摇不止者死。口燥齿干形脱者死。口
渴眼张，谵语身热，肢冷脉沉细者死。口语死者死。
初病齿缝流血，痛者胃火。齿燥脉虚者，胃痛。齿燥无津者热病。齿焦黑无垢者死。齿
垢灰色者死。齿如枯骨者死。齿生垢，发枯者死。齿长，发枯者死。
Those with black lips and excessive phlegm will die. Those with curled lips and sore throat will die. Dry and scorched lips indicate the pathogen is in the muscle layer. Everted lips and curled tongue indicate death. Dry lips and dry tongue indicate Spleen Heat. Scorched and black lips indicate death. Blue-black lips indicate a Cold syndrome. Yellow lips indicate Blood deficiency. Everted lips with swollen flesh indicate death. Sores on the lips and mouth accompanied by hoarseness indicate intestinal parasites (worm accumulation). Cyanotic lips, curled tongue, and retracted scrotum indicate death. Cyanotic perioral area indicates death. Yellow lips indicate Spleen Heat and Blood deficiency. Red and swollen lips indicate a Heat syndrome. Scorched red lips indicate Spleen Heat. Scorched pink lips are a good omen. Purple lips indicate intestinal parasites. White lips indicate blood loss or vomiting. Pale white lips indicate Qi deficiency. Black lips and mouth indicate death. Scorched black lips and teeth indicate dry feces retention. Cyanotic lips with a flat and full Renzhong (GV26) indicate death. Anger causing Qi to rush upward resulting in cyanotic lips requires soothing the Liver and harmonizing the Stomach. White lips after vomiting require nourishing the Stomach and regulating Qi. Dry and cracked lips indicate Spleen Heat. Lips, mouth, and tongue coating with fissures indicate death. Retracted lips and panting indicate death. Swollen lips and scorched teeth indicate death. Everted lips and short tongue indicate death. Hanging lips, dry teeth, and diarrhea indicate death; abnormal Renzhong (GV26) and inability to speak indicate death.
Redness in the mouth with hematemesis, accompanied by saliva/phlegm and faint breathing indicates death. Mouth resembling a fish's mouth, pointed and raised, indicates death. Breath exhaling without returning indicates death. Lockjaw (trismus) making speech difficult indicates Spasm syndrome, as well as Phlegm-Jue or Cold invasion. Dark black discoloration around the mouth indicates death. Sour taste in the mouth indicates Liver Heat. Sweet taste in the mouth indicates Spleen Heat and Phlegm. Bitter taste in the mouth indicates Heart Heat and Gallbladder Heat. Dry mouth indicates Stomach Heat. Foul breath and bland taste in the mouth indicate Stomach Heat. Spicy/pungent taste in the mouth indicates Lung Heat. Salty taste with dry throat indicates Kidney Heat. Bloody metallic taste in the mouth indicates Stomach Heat. Inability to perceive food flavors indicates injury to Body Fluids. Numbness in the mouth indicates external contraction of pathogens. Difficulty speaking indicates Blood deficiency. Open mouth with straight outflow of breath indicates death. Open mouth with swollen feet and absent pulse indicates death within five days. Unceasing tremors of the mouth and eyes indicate death. Dry mouth, scorched teeth, and emaciation indicate death. Thirst, wide-open eyes, delirium, fever, cold limbs, and deep-thin pulse indicate death. Open mouth and closed eyes resembling death indicates death.
Initial bleeding from gum margins with pain indicates Stomach Fire. Dry teeth with weak pulse indicate Stomach pain. Dry teeth without moisture indicate Heat disease. Scorched black teeth without debris indicate death. Grayish dental debris indicates death. Teeth resembling dead bones indicate death. Dental debris with withered hair indicates death. Elongated teeth with withered hair indicate death.