In the textbook of basic of traditional Chinese medicine,the definition and the adaptive syndrome of “reinforcing yang from yin”and “reinforcing yin from yang” are wrong. It should be:“reinforcing yin from yang”is giving suitable drugs of replenishing yang in plentiful drugs of nourishing yin and it adapts to “deficiency yin affecting yang”,“reinforcing yang from yin” is that the drug amount of replenishing yang and the drug amount of nourishing yin is the same or the drug amount of nourishing yin is little more than that of replenishing yang and it adapts to “deficiency yang affecting yin ”.