The green color of the sperm may be caused by a long period of time without ejaculation, prostatitis, seminal vesiculitis, etc., and you should consult a doctor in time to find out the cause of the disease. 1. Long time no ejaculation: If the patient does not ejaculate for a long time, the semen is stored in the seminal vesicle, the concentration of sperm is larger, which may lead to the deepening of the color of the sperm, and the sperm is green, this is a normal physiological phenomenon, usually no need to treat. 2. Prostatitis: Prostatitis is caused by pathogenic bacterial infection or certain non-infectious factors, and common symptoms include pain, abnormal urine, and sexual dysfunction. If the prostate is infected with Pseudomonas aeruginosa, it may cause the sperm to be green. 3. Spermatitis: Spermatitis is one of the more common infectious diseases of the male reproductive system, which is mainly manifested as bloody semen and ejaculatory pain. If the seminal vesicles are infected with Pseudomonas aeruginosa, it may cause the sperm to be green. This symptom alone is not enough to diagnose the disease, and there may be other factors causing it. It is recommended that the patient should consult the doctor in time, so that the doctor can clarify the cause of the disease and give targeted treatment.