Yin and yang deficiency if the summer sweat too much, may lead to the depletion of Yin and Jin, Yang Qi damage, aggravate the situation of Yin and Yang deficiency, so Yin and Yang deficiency people should not sweat too much in the summer. Chinese medicine believes that sweat for the organism yinjin, summer due to higher temperatures, appropriate sweating for normal people generally have little effect, but there was a yin and yang deficiency if too much sweating, easy to lead to too much yinjin depletion, it may aggravate the situation of yin deficiency. And yin and yang mutual root, yin deficiency will further aggravate the yang deficiency, leading to further exacerbation of yin and yang deficiency. So it is not good for people with yin and yang deficiency to sweat too much in summer. So people with yin and yang deficiency should pay attention to try to avoid staying in the hot environment for too long, try to avoid strenuous exercise, timely hydration, and if necessary, timely consultation by a professional doctor.