1. Wasp venom is weakly alkaline, so you can use vinegar or acetic acid or Wuji cream to scrub the injured area. \x0d\2. The remaining poisonous stings in the wound can be picked out with a needle or tweezers, but do not squeeze to prevent the remaining toxins from entering the body. Then cupping can be used to suck out the poisonous juice to reduce the absorption of toxins. \x0d\3. Apply ice cubes to the bite area to reduce pain and swelling. If the pain is severe, you can take some painkillers. \x0d\4. If there is a tendency to spread, there may be an allergic reaction, and you can take some anti-allergic drugs, such as diphenhydramine, chlorpheniramine and other anti-allergic drugs. \x0d\5. Observe closely for about half an hour. If you find difficulty in breathing, thicker breathing, or wheezing, you should immediately go to the nearest hospital for emergency treatment.