古人对一些不明原因的疾病,常认为与痰有关。古籍有“怪病治痰”、“痰生百病”之载。考痰之出处,《景岳全书》说:“内经只有积饮之说,本无痰证之名”,《神农本草经》有“留饮痰澼”的记载。后汉张仲景开创了痰饮辨证的先河,其于《金匮要略》一书中有记载,不过其论详于饮而略于痰。《诸病源候论》将痰与饮分别立论,指出痰与饮同源而二歧,应是两证,故元、明以来大都沿用其说。清张景岳明确指出:“痰之与饮,名曰同 The ancients thought that some diseases with unknown causes were related to defamation. Ancient books contain the words “a strange disease cures phlegm” and “births and illnesses”. Examine the source of the book, “Jing Yue Quan Shu,” said: “The internal meridian only the theory that the accumulation of drink, the name of the absence of evidence”, “Shen Nong’s Materia Medica” has “stay to drink wolfberry” records. Hou Han Zhang Zhongjing created a precedent for phlegm drinking, which was recorded in the book “The Golden Chamber”, but his theory is more detailed in drinking and slightly more. The “Theory of Diseases and Diseases” sets the arguments on the relationship between phlegm and drink, and points out that wolfberry and drinking are the same and there are two differences. They should be two kinds of evidence. Therefore, most of the Yuan and Ming dynasties use them. Qing Jingyue clearly pointed out: