If the male testicles function normally, the most common causes of non-ejaculation are the following: 1. congenital factors, if there is congenital vas deferens blockage, defect or vas atresia, it is easy to cause male non-ejaculation, it is recommended to choose surgical treatment. 2. spinal cord injury or surgical operation causing pelvic nerve injury, resulting in non-ejaculation. 3. having had male vasectomy, it is necessary to do vas deferens recanalization 4, long-term masturbation habits or excessive indulgence, resulting in kidney essence deficiency, kidney Yang deficiency, ejaculation center dysfunction, it is recommended to quit masturbation, adjust lifestyle habits, and seek medical attention in a timely manner.