The patient is examined in a standing position and the examiner checks for swollen blood vessels above the patient’s testicles. In mild cases of varicocele, the varicose vessels can be felt when the patient strains, and in severe cases, they can be seen with the naked eye. If you have doubts, you should go to a hospital and ask a specialist for a diagnosis. Specific examinations are as follows: 1. physical examination: physical examination should focus on examining the scrotum and its contents, which include testicular size, texture, epididymis, vas deferens, spermatic cord and its blood vessels, etc.; 2. imaging examinations: including ultrasound, CT, nuclear magnetic, etc., which are usually performed routinely at the end of physical examination; 3. testicular function evaluation: semen examination is mainly for patients who are infertile or have fertility requirements, and it is recommended that The examination items should include semen quality, liquefaction time, pH, sperm concentration, morphology, activity rate, etc.; serum testosterone examination, or serum free testosterone or bioactive testosterone examination if available; other hormone examination, such as luteinizing hormone, lactogen, follicle stimulating hormone, androgen and serum inhibitor B, etc.; testicular biopsy can also be done if necessary If necessary, testicular biopsy can be performed.