The position of the waist eye is the projection of the kidneys on the surface of the body, the man has a waist eye indicates kidney deficiency, the deeper the waist eye indicates that the more powerful the kidney deficiency, is the performance of excessive physical overdraft, should pay attention to a reasonable diet, regular life. Generally, men with waist eyes have the following performance waist and knee weakness, fatigue, pale face, mental weakness, heavy body, loss of libido, fear of cold, fear of cold, loss of appetite, impotence, premature ejaculation, five diarrhea. It is also easy to have diarrhea when you eat something cold, because kidney deficiency can also lead to spleen deficiency, spleen and kidney deficiency will appear slightly cold diarrhea.