Bitten by a wasp face need to remove the stinger as soon as possible, and then according to the severity of the choice of local medication, systemic medication, etc. to achieve the purpose of reducing swelling and stopping itching. 1. Remove the stinger: after being bitten by a wasp, the stinger will enter into the skin, now you need to use tweezers to remove the stinger as soon as possible, so as not to repeatedly stimulate the skin to produce a toxic reaction. 2. Local medication: you can use soapy water to wash, and then use iodophor or sterilized alcohol to scrub the wound, if there are itching symptoms, you can apply topical glycerin lotion. 3. Systemic medication: If the swelling and itching symptoms are obvious, it is considered to be local tissue allergy, and should be prescribed oral cetirizine, loratadine and other drugs to fight allergies. After being stung by wasps, you need to clean the wound regularly and keep the local area dry to prevent secondary infection. If the swelling is serious, it is recommended to consult a doctor as soon as possible and follow the doctor’s instructions, do not self-medication.