“医食同源”,食物亦是药物,只要辨明食物寒热润燥之性,即可用作药物。清代王孟英氏对“食疗”甚为重视,认为“药极简易,性最平和,味不恶劣,易办易服”。唐代孙思邈在《素问·藏气法时论》“毒药攻邪,五谷为养,五果为助,五畜为益,五菜为充,气味合而服之以补精益气”的基础上,所著《千金要方》中专列“食疗”一门,认为“夫为医者,尚须先晓病 “Food and medicine are homologous,” and food is also a medicine. As long as the food is cold and hot, it can be used as a medicine. In the Qing Dynasty, Wang Mengying paid great attention to “eating” and thought that “the medicine is very simple, the nature is the most peaceful, the taste is not bad, and it is easy to do it”. During the period of the Tang Dynasty, Sun Simiao wrote “Potential Questioning of Tibetan Questions”, “Poisonous Attacks on Drugs, Grains for Cultivation, Five Fruits for Help, Five Animals for Benefit, Five Dishes for Filling, and Odor Conformed to Serve to Complement Refinement and Qi”. In the book “Qian Jin Yao Fang” listed in the “Food Therapy” column, it is considered that “If the husband is a healer, he must first get sick.