After being stung by a wasp, the itch should be removed, treated with medication, and taken care of. 1. Pull out the stinger: most of the hornet stings will leave stinger on the skin, if the stinger is visible to the naked eye, you can use tweezers to pull out the stinger, if you can’t pull out the stinger by yourself, you can go to the hospital to seek the help of doctor, after pulling out the stinger, you can use soapy water and water to rinse the local area, to dilute the venom and alleviate the symptom. 2. Medication: If the itching is more serious, you can apply local hydrocortisone cream, dexamethasone cream and other drugs to relieve itching, and if the effect of purely external application is not obvious, you can also take Benadryl and Loratadine. 3. Enhance the care: pay attention not to scratch, keep the local skin fresh and clean, do not eat seafood, spicy and stimulating food, and always observe the physical condition, if there is generalized oedema, dyspnea and other symptoms should be as soon as possible to seek medical attention. The same disease, the patient’s physical condition is different, different stages of the disease, the treatment method is different, should be standardized treatment under the guidance of the doctor. All of the above drugs should be used in accordance with the doctor’s instructions, and should not be used blindly by oneself.