Sexual fatigue belongs to the category of “impotence”, “premature ejaculation”, “spermatorrhea” in Chinese medicine, Dahuiyin Pills are mainly used for the treatment of yin deficiency and hyperactivity, and have a better therapeutic effect on sexual fatigue. Sexual fatigue refers to the feeling of fatigue before or after the start of sexual life due to kidney deficiency, physical illness, and excessive sexual intercourse, etc. Among them, premature ejaculation can be caused by excessive sexual intercourse. Excessive sexual intercourse can lead to premature ejaculation, which is manifested as premature ejaculation, soreness and weakness of waist and knees, five heart-heat (heat in the heart of both hands and feet, and self-consciousness of the heart and chest being hot), hot flashes and night sweating, etc. When symptoms are manifested, it is necessary to nourish yin and reduce fire. Dazhongyin Pill is a traditional Chinese medicine formula with the efficacy of lowering fire and nourishing yin. Among its main ingredients, Zhimu has the efficacy of nourishing yin and clearing heat, laxing fire and moistening dryness; Radix Rehmanniae Praeparata has the efficacy of benefiting the essence and tonifying the blood, filling in the medulla and nourishing yin; Phellodendron Bark has the efficacy of laxing fire and drying dampness and clearing away heat and detoxifying toxin; and Tortoise Plate has the efficacy of nourishing the blood and nourishing yin and fixing the essence and kidney. The combination of the four medicines can effectively treat yin deficiency and fire exuberance, as evidenced by night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), hot flashes, heartburn and spermatorrhea. When symptoms of sexual fatigue occur, it is necessary to consult a doctor in time and use medication under the doctor’s guidance, not to take medication on your own.