Patients with impotence and premature ejaculation can usually choose some drugs or foods that warm kidney and strengthen yang or nourish kidney yin, such as venison, mutton, pork kidney, dog meat, river shrimp, rooster, lobster, shrimp, walnut meat, sparrow meat, sparrow eggs, deer whip, Gordon Euryale, tortoise plastron, vole, leek, wolfberry fruit and so on. Do not drink too much wine, strong tea, coffee, etc. Eat less spicy, irritating, excessively warm and dry foods, as well as foods that are cold and cold and damage the yang, such as all kinds of cold drinks, sesame seeds, oyster meat, mussels, sea pine nuts, celery, lettuce and bitter gourd.