In the climax part of sexual life, some men have painful ejaculation. This condition is mainly caused by some diseases of the body, like what body inflammation or circumcision can cause painful ejaculation. Of course, excessive sexual life is also one of the reasons. 1, the body disease. The inflammation of the body, mainly concentrated in the genital piece, such as prostatitis, urethritis will be in the ejaculation muscle contraction, producing pain. 2, circumcision patients. For some patients with prepuce, when the urethra is collected, it will also cause painful ejaculation; other penile diseases, like sclerosis, will induce pain when the penis is erect. 3. Frequent sex life. Sexual organs are like a machine, when the number of sexual life is too much, will also produce some diseases, need timely treatment. This type of situation, usually causes inflammation of the vas deferens, seminal vesicles and other organs, resulting in congestion and edema of the genitals. This triggers muscle contraction and a painful sensation during ejaculation. For those who have too much sex, the number of intercourse can be reduced to relieve the pain. For painful ejaculation caused by disease, patients should go to a professional hospital for examination, consult a doctor, prescribe the right medicine, actively cooperate and treat the disease.