There are many causes of painful ejaculation, the common ones being inflammation of the genitourinary system, urinary stones and tumors of the urinary system. The most common are inflammatory diseases of the urinary system, such as acute or chronic prostatitis, vesiculitis and so on. The most common symptoms of prostatitis are urinary tract infection, such as frequent urination, urgent urination, painful urination and a feeling of swelling in the abdomen or perineum, white dripping from the urethra, etc. Serious symptoms of hematuria can occur, and you can go to the hospital for ultrasound of the seminal vesicles and laboratory tests of the prostate fluid. The actual fact is that you can find out if there are any inflammatory changes in the seminal vesicles, such as thickening of the vesicle wall and turbidity of the vesicle fluid. For the painful ejaculation caused by inflammation, the treatment is mainly anti-infection treatment, in daily life should pay attention to drink more water, more urination, promote the discharge of inflammatory substances in the urinary tract, avoid sedentary, to quit smoking, quit alcohol, light diet, avoid excessive sexual life.