Bitten by the locust first of all, the locust should be successfully detached from the wound, and promptly go to the hospital dermatology department to consult the doctor, the doctor according to the condition of the wound to carry out the appropriate treatment, including cleaning and disinfection, topical medication, systemic medication and so on. 1. Make it fall off: after being bitten by the locust, you should avoid the sucker of the locust falling off in the skin, you can make it fall off by patting the skin around its bite. 2. Cleaning and disinfecting: locust is a kind of blood-sucking annelid, which is easy to cause infection after being bitten by locust. Therefore, the skin around the wound needs to be thoroughly disinfected. The wound can be rinsed with saline and then disinfected with iodophor. If the wound is deep, wound debridement may also be needed. 3. Local medication: After being bitten by locusts, if the local skin is swollen, itchy, painful and other symptoms, you can use local glycerine lotion to apply on the bite to achieve anti-inflammatory, anti-itching effect. 4. Systematic use of drugs: for patients with more serious symptoms, can be used under the guidance of a doctor, loratadine, amoxicillin capsules and other drugs for anti-allergy over infection treatment. After being bitten by a leech, you should consult a doctor in time and follow the doctor’s instructions for standardized treatment.