Male genital-related diseases mainly include infectious diseases, reproductive system tumors, as well as sexual dysfunction and male infertility. It is recommended that men do a good job of personal hygiene, nursing care, and regular sexual life to help maintain the health of the reproductive system. 1. Infectious diseases: Including prepuce glans, prostatitis, orchitis, epididymitis and other diseases, because the male reproductive system and urinary system location is closer, pathogens infected with the reproductive system, easy to complicate urinary tract infection. 2. Tumors of reproductive system: such as penile cancer, testicular cancer, prostate cancer and other malignant tumors, the etiology of which is still unclear and is related to various reasons such as living habits, environmental factors and gene mutation. 3. Sexual dysfunction: it mainly includes loss of libido, hyperactivity, erectile dysfunction, and ejaculation disorder, etc., which is caused by psychological or organic diseases. 4. Male infertility: the common causes are congenital genetic abnormality, endocrine abnormality, as well as the above mentioned organic diseases, etc., all of which may lead to the absence of sperm production or the decline of sperm quality, etc., and fail to combine with the egg to form a fertilized egg. If the patient has the above mentioned symptoms related to male genitalia, he should consult the doctor in time and take further treatment under the doctor’s guidance.