1. Male urinary system inflammation, such as epididymitis, urethritis, acute and chronic prostatitis, prostatic hyperplasia (hypertrophy), etc.
2. Male sexual dysfunction and prostate diseases, such as impotence, premature ejaculation, spermatorrhea and infertility caused by kidney deficiency and essence deficiency, sequelae of excessive masturbation of teenagers, non-ejaculation, retrograde ejaculation and abnormal male sexual desire.
3. Male sexually transmitted diseases, such as gonorrhea, syphilis, chancre, sexually transmitted lymphogranuloma, nongonococcal urethritis, condyloma acuminatum and genital herpes;
4. Abnormal morphology of male external genitalia, such as short penis, long foreskin, phimosis, induration of penis, varicocele, hydrocele of testis sheath, cryptorchidism, etc.