Povidone-iodine antiseptic solution has a bactericidal effect and can be used for disinfection of skin and mucous membranes, for pre and postoperative skin disinfection, and for disinfection of general trauma. Povidone iodine is a combination of iodine and polyvinylpyrrolidone, which has a strong bactericidal effect and can effectively kill most bacteria, fungi, protozoa and some viruses. Povidone-iodine disinfectant has excellent bactericidal effect and is relatively mild to irritation, and is now widely used in clinical practice. Including pre-surgical skin disinfection, aseptic disinfection before various clinical operations (thoracocentesis, intravenous infusion, etc.), but also for postoperative wounds and general trauma (burns, cuts, contusions, abrasions) of the wound disinfection. Diluted povidone-iodine disinfectant can also be used for oral cleansing, surgical wound cleansing, and cleansing of the abdominal cavity. Low concentration of povidone-iodine can also be used for douching treatment of vaginitis. Povidone-iodine is a topical drug, which may cause allergic reactions, and also has a certain stimulating effect on the local skin mucosa. Povidone-iodine can not be taken directly by mouth, and misuse may stimulate the gastrointestinal mucosa and cause gastrointestinal reactions such as nausea, vomiting, and other gastrointestinal reactions. It is forbidden for those who are allergic to iodophor. The use of drugs need to be under the guidance of a professional doctor, it is recommended to seek medical advice, standardized treatment.