The sperm lock ring is usually placed over the root of the penis for best results. Sperm lock ring is a kind of items for men who suffer from premature ejaculation and so on, made of rubber, the same way as condom wearing, usually on the male genitals, put the sperm lock ring to the root of the penis, and then lock the ring tightly, then it can effectively prevent premature ejaculation or increase the duration of sexual intercourse. The ring is a personal hygiene product and should be cleaned before and after use. At the same time, the ring should not be used for a long period of time, because if the semen can not be discharged, part of it will enter the bladder, or can only be slowly digested in the vas deferens, slowly absorbed through the macrophages. Those who operate in this way for a long time will cause long-term pelvic congestion, lower abdominal swelling feeling, prostate congestion does not easily subside, leading to hypertrophy or inflammation and diminished function. Therefore, if the patient appears premature ejaculation and other symptoms, it is recommended to go to the regular hospital for examination and treatment in a timely manner, so as not to delay the condition.