Sperm death is generally referred to as necrospermia, that is, semen with a low percentage of live spermatozoa and a high percentage of inactive spermatozoa, usually the patient may not have obvious clinical manifestations, but also may be caused by diseases such as prostatitis, orchitis and other factors. 1. Necrotizing spermatozoa may not have obvious clinical manifestations, but the patient often consults the doctor because of long-term infertility, and necrotizing spermatozoa is found after relevant examinations. 2. Prostatitis: Some patients with necrospermia may have prostatitis, accompanied by symptoms such as frequent urination, urinary urgency, perineal discomfort, and may also have symptoms such as low libido. 3. Testiculitis: Due to bacterial infection of the testicles, the survival environment of spermatozoa is poorer, and necrospermia occurs, at this time there may be testicular pain, redness and swelling and other manifestations. The performance of necrospermia is different, patients should consult the doctor in time and standardize the treatment.