Swelling after being stung by wasps, the following methods can be taken to deal with: First, local treatment, after being stung by wasps, in the local treatment of the remnants of the stinger, should be pulled out in time, as far as possible, the venom will be squeezed out, the later swelling treatment has a great help. Second, in the local treatment, you can use sodium bicarbonate of water or 3% ammonia and other rinsing, and apply alkaline liquid can play a certain role in relieving itching and swelling. Third, after being stung by a bee, if the swelling is caused by bacterial infection, you can apply Pepto-Bismol ointment, erythromycin ointment, etc. to the swollen local area, and you can also take antibiotics orally for anti-inflammatory treatment. Fourth, after being stung by a bee, if the swelling is accompanied by allergic phenomenon, it should be promptly sent to the hospital for treatment.