After being bitten by insects should be: 1, garlic slices compress: use garlic cut into slices in the bug bite repeatedly compress for a few minutes, there are obvious anti-itch, pain relief, anti-inflammatory effect. Even if the bite has become a large bag or inflammatory ulcers, are available garlic rub, generally after 12 hours that may reduce swelling, anti-inflammatory. The ulcerated wound can be healed after 24 hours, skin allergies should be used with caution. 2, coated with laundry detergent: people bitten by insects not only red and swollen bags, and itchy, can be flushed with water by the insect bites, do not rub the whole body, with a wet finger dipped in a little laundry detergent coated in the bite, can immediately stop itching, and the redness and swelling quickly disappeared. After the redness and swelling disappears, the laundry detergent can be washed with water. 3, soap: because the mosquito bite has a venom, this venom is acidic, so the use of alkaline soap is likely to have an effect. After washing with alkaline soap, usually pay attention not to scratch with your hands, will soon be good.