There are a lot of precautions for children to be circumcised, such as preoperative examination and communication, postoperative skin care, dietary care and so on. 1. Pre-operative examination and communication: for children who have the need for circumcision, parents should take their children to regular hospitals to do a comprehensive examination, and choose the appropriate treatment plan after the doctor’s evaluation. Parents should also pay attention to actively communicate with their children before the operation to eliminate their fear and nervousness, so as to cooperate with medical personnel to complete the operation successfully. 2. Post-operative skin care: After the child has been circumcised, parents should pay attention to the child’s local skin care, to keep the local clean and dry, can follow the doctor’s instructions to use iodine povidone disinfection daily, to prevent the occurrence of infection. In the surgical wound scab, pay attention to avoid the child to pick the scab site, to be its natural fall off can, so as to avoid bleeding, wound infection. 3. Dietary care: After the operation, parents should pay attention to the reasonableness of the child’s diet, avoiding the child’s intake of cold, spicy and stimulating food and drinking carbonated beverages, so as not to affect the recovery of the surgical wound. Parents should pay attention to light, easy to digest food. In addition to the above precautions, children should pay attention to rest after circumcision to reduce the stimulation of the penile area.