After being bitten by a leech, the first thing to do is to detach the locusts from the wound and squeeze and clean and disinfect the wound, and to take purgative and anti-inflammatory drugs and anti-inflammatory drugs under the advice of a doctor. The leech belongs to a kind of blood-sucking animal, it is easy to cause infection after being bitten by the leech, we should avoid pulling the leech with force, so as not to dislodge the sucker of the jute in the skin, you can gently pat the skin around the wound, and make the leech dislodge by shocking. When the leech fell off successfully, the wound can be cleaned with saline, soapy water, vinegar, etc., and squeeze the wound with your hand to squeeze out the blood, at this time it is recommended to go to the hospital to use iodophor, alcohol and other solutions to disinfect the wound and then bandage it to prevent infection. After the wound treatment, avoid scratching, but also in the doctor’s advice to choose to take amoxicillin capsules, levofloxacin capsules, cefixime granules and other anti-inflammatory and anti-infective drugs to assist in the treatment of the day to do a good job of body protection.