Povidone-iodine can be directly rubbed on a man’s lower body to disinfect it, but it is not recommended for people who are allergic to povidone-iodine. Povidone-iodine is a common disinfectant and stimulating disinfection of men’s lower body, widely used in clinical disinfection of various parts of the body, and generally does not produce side effects. However, the long-term presence of povidone-iodine in men’s lower body will increase the stimulating effect of povidone-iodine, and it is recommended that patients use gauze or cotton balls to wipe clean in a timely manner after use, or use warm water to wash clean. Clinically there is also a very small number of people will be allergic to povidone-iodine, usually manifested as itchy skin, this part of the patient is not recommended to use. If the patient does not have obvious infection, it is recommended that the patient use warm water to wash.