A man’s erection without ejaculation is generally not bad for his health if he has it a few times occasionally, but frequent erection without ejaculation may be bad for his health, such as producing erectile dysfunction, inflammation of the reproductive system, and inducing hemorrhoids. Men erections without ejaculation, sometimes may be in order to prolong the sex life time, sometimes may be in order to contraception, in either case, occasionally a few times generally will not affect the health, but often erections without ejaculation, on the man’s health will produce certain adverse hazards. Frequent erection without ejaculation may cause the central nervous system to be in a state of stress for a long time, increasing the risk of causing erectile dysfunction; prolonged congestion of the spongy body of the penis may cause chronic prostatitis, seminal vesiculitis and other inflammatory diseases of the reproductive system; the blood flow around the anus is not smooth, and may also induce hemorrhoids. Men should maintain a normal sex life and ejaculation, do not deliberately erection without ejaculation, so as not to cause harm to the body. If your health is abnormal due to erection without ejaculation, it is recommended that you visit a regular hospital and be treated under the guidance of a doctor.