Yang deficiency does not cause night sweats; usually Yin deficiency causes night sweats. Yang deficiency mainly refers to the deficiency of yang energy in the organism and the loss of functions such as warming and qi-transformation, resulting in deficiency cold evidence. Yang deficiency can be seen in many organs of the internal organs. Common clinical symptoms include heart yang deficiency, spleen yang deficiency, stomach yang deficiency, and kidney yang deficiency. According to Chinese medicine, Yang deficiency should be better treated with exercise, nutritious food with high protein content, combined with fire therapy and moxibustion.