Chinese medicine believes that dry mouth and dry stools manifested at the same time, may be caused by stomach fire, Yin deficiency and intestinal dryness. 1. Stomach fire: the main manifestations are loud and powerful uh sound, rushing out; bad breath and thirst, like cold drinks; epigastric (abdominal) fullness, constipation, short yellow urine; red tongue with yellow or dry fur, smooth pulse. 2. Evidence of Yin deficiency and intestinal dryness: the main manifestations are dry stools, difficult to discharge, a line for several days, accompanied by dry mouth, five heart-heat (the heart of the two hands and the heart of the two feet hot, and consciously hot heart and chest), night sweating (sweating abnormally after going to sleep, and waking up sweating stops), dizziness, impatience, irritability, and a red tongue, such as less fluids. When the above symptoms occur, try to utilize herbal medicines such as Ma Zi Ren Pills, Zeng Yi Tang and Zeng Yi Cheng Qi Tang to alleviate and regulate the symptoms under the guidance of a professional doctor. There may be other reasons for dry mouth and dry stools, it is recommended to consult a hospital in time, under the guidance of a professional physician to avoid delaying the condition.