A large percentage of Chinese and even Asian people have circumcision or prepuce, due to ignorance and habit, only some of them go to the hospital for circumcision. The hazards of circumcision and prepuce are as follows: 1. Infection, inducing penile head circumcision. Because of the long-term accumulation of dirt or other pathogenic organisms under the foreskin, it is easy for bacteria to multiply and grow, causing inflammation and redness and pain. 2. Inducing penile cancer. Foreskin scale is a kind of carcinogenic substance. Frequent episodes of penile head circumcision become a kind of long-term chronic stimulation, which can also cause penile cancer. Zhengzhou No.1 People’s Hospital Urology Department, Jing Jing 3, induce cervical cancer Men with such diseases have a significantly higher chance of their partners suffering from cervical cancer. 4, circumcision is one of the main causes of premature ejaculation. 5, the maker of sexually transmitted diseases, easy to transmit the majority of men suffering from sexually transmitted diseases have circumcision or prepuce. 6, affect the function of urination. Severe circumcision, the foreskin opening is narrow like a pinhole, urine can not be discharged smoothly when urinating, the foreskin will bulge like a small ball, so repeatedly easy to lead to urinary tract infections, even the bladder and kidneys are also involved. 7, easy to happen embedded phenomenon. Because of the narrow foreskin mouth, such as the foreskin is barely turned up and not reset in time, the narrow foreskin mouth can be tightly strangled in the coronal groove of the penis, obstructing the blood circulation of the distal foreskin and penis, resulting in swelling of the penis head and distal foreskin, over time, the foreskin and penis head will be ischemic necrosis. The overly long foreskin will also affect the sexual life of both sexes. Many men’s foreskins are prone to dermatitis, causing itchy, allergy-like skin rashes. In addition, the hygiene of the male foreskin is closely related to women’s health, and many women suffer from urethral discomfort, local itching and vaginitis after sex, all related to men’s long foreskin and poor hygiene habits. Cervical erosion and cervical cancer in women are also confirmed to be closely related to the hygiene of male foreskin. So men should consider not only their own comfort but also the health care needs of their loved ones, and circumcision is a once and for all operation. There are many methods of circumcision: 1. The traditional manual excision and suturing, and the removal of stitches. The operation takes a long time, the post-operative care is troublesome and the pain is heavy. But the cost is lower. 2, the use of various rings, the choice of different types of external or in situ wire tied circumcision ring surgery, the effect is slightly different, the operation time is relatively short, no post-operative pain, care is simple, but requires a certain amount of surgical skills to ensure that the trauma neat and clean. 3. Automatic circumcision device. It can be called a revolution in circumcision, equivalent to the principle of intestinal or esophageal anastomosis, a one-time instantaneous excision and suturing of the foreskin at the same time. However, the price of the device is high, the use of the initial period is easy to cause postoperative bleeding second hand, so beginners need training in the use of