Sperm flow out on its own belongs to spermatozoa in the clinic, which has no great relationship with thyroid cancer surgery. Spermatozoa can be divided into physiological and pathological, which is related to overwork or urological diseases to a certain extent. After entering puberty, men will continue to produce semen, when the semen reaches a certain amount of semen can no longer be deposited when the semen will occur, excessive fatigue or sex drive is more frequent, easy to induce semen leakage, two or three times a month semen leakage is a normal phenomenon. Frequent spermatorrhea, more than 5 times a month or after having sex, still frequent spermatorrhea, belongs to the pathology of the situation, need to go to the hospital for further consultation. Pathological spermatorrhea is generally not related to thyroid cancer surgery, and the most common causes are glans circumcision or infections of the reproductive system, such as seminal vesiculitis, prostatitis, etc., which can be diagnosed clearly and treated accordingly.