Kidney yin deficiency. First of all, drink more water, if you will masturbate but also resolutely give up masturbation, you can eat black beans, black rice, black fungus, mutton, dog meat, leeks, jujubes, goji berries, etc., pay attention to rest, pay attention to warmth, live a regular life, don't stay up late, spicy, stimulating food don't eat, to light food, but also to strengthen the exercise, so as to achieve the purpose of replenishment of the kidneys.