Decline in male sexual function may be caused by psychological factors, erectile dysfunction and premature ejaculation. Psychological counseling, surgical treatment, special behavioral training and medication can be chosen according to the patient’s specific situation. 1. Psychological problems: Decline in male sexual function may be caused by psychological factors. Psychological counseling can help patients correctly understand sexual life, learn to control and delay ejaculation, improve self-confidence in sexual life, eliminate tension and fear of sexual life, and improve communication and communication with sexual partners. 2. Erectile dysfunction: refers to the inability of the penis to achieve or maintain sufficient erection to complete a satisfactory sex life. 5 phosphodiesterase inhibitors such as sildenafil and other medications can be used to improve the relaxation of the smooth muscle cells of the penile corpus cavernosum, increase the blood circulation of the corpus cavernosum, and alleviate the symptoms. 3. Premature ejaculation: refers to uncontrolled ejaculation before or within a short time after penile insertion into the vagina. It can be treated with medication such as dapoxetine, lidocaine gel, etc. It can also be treated with surgery, which mainly involves selective severing of the posterior penile nerves; and special behavioral trainings, such as squeezing method, stopping method, and functional therapy, can be carried out. The above drugs should be used under the guidance of a doctor. Decline in male sexual function is also seen in diseases such as decreased libido and trauma. If the symptoms of male sexual function continue to decline, timely treatment is needed.