The role of the sperm-locking ring is unclear and has certain side effects that may cause penile congestion, edema, swelling, pain, and retrograde ejaculation, in addition to affecting erection hardness and durability. Theoretically the role of the locking sperm ring is to delay male ejaculation time during sex, in the penis after full erection of the locking sperm ring on the root of the penis, after wearing the patient can be no ejaculation sensation, as well as to prevent ejaculation of semen, so as to achieve the effect of delayed ejaculation, but in practice its role is weak, but also may cause a certain degree of damage to the penis, such as abnormal congestion, pain, retrograde ejaculation, and so on. For normal men, do not blindly try to wear, so as not to affect the health of the reproductive system, if the patient has problems such as premature ejaculation, should go to the regular hospital in time for examination, under the guidance of the doctor for standardized treatment.