1, male sexual dysfunction: including penile erectile dysfunction (impotence), premature ejaculation, retrograde ejaculation and abnormal libido, etc., is a common male disease, middle-aged and elderly people, now there is a trend of younger onset. 2, male infertility: couples with at least a 12-month history of non-contraceptive sex and still no conception should be diagnosed as infertility. Infertility is related to both partners, of which 50% of the causes are related to the male partner. The more factors of infertility in men, the more complex the cause, the earlier the diagnosis and treatment, the better the outcome. 3, prostate disease: including prostate hyperplasia, prostate cancer and prostatitis, of which prostatitis is a common and frequent disease in young and middle-aged people, related to dietary habits, lifestyle, environmental factors and sexual transmission, is considered difficult to treat. 4, spermatic cord disease: varicocele, spermatic cord tumor, spermatorrhea, etc. Among them, varicocele is a common cause of infertility in men. 5, penile diseases: penile shortening, penile cancer, penile spongiosclerosis, prepuce urethritis, hypospadias and penile injury, etc. 6.Scrotal testicular diseases: acute and chronic orchitis, testicular injury, testicular tumor, cryptorchidism and testicular syringomyelia, etc. 7.Epididymal diseases: acute and chronic epididymitis, epididymal tuberculosis, epididymal tumor and vas deferens obstruction, etc. 8, abnormal genital development, hermaphroditism. 9, male menopause syndrome: also known as partial androgen deficiency in middle-aged and older men, refers to male androgen secretion gradually declining after reaching a peak in youth, and the resulting series of physiological changes and clinical symptoms. Specific manifestations are: forgetfulness, anxiety, depression, lack of self-confidence, inattention; impotence, decreased libido; insomnia, loss of appetite, bone and joint pain; sweating, palpitations, hot flashes, etc.