The reason why ants bite and itch is that it will cause direct stimulation of the skin to cause pain, venom stimulation may cause itching, swelling, and in severe cases, it will lead to anaphylactic shock. Ant bite due to the bite site will cause direct damage to the skin mucosa, will cause pain in the skin; in the bite at the same time there is a possibility that the poisonous protein and other toxins injected into the human skin, will cause itching, redness and swelling of the skin, so it will lead to ant bites and itchy and painful, resulting in insect bite dermatitis. Serious patients may lead to fainting, dyspnea, laryngeal edema, anaphylactic shock, and even death. Itchy and painful symptoms caused by ant bites, it is recommended to go to the hospital in time for examination, and take glucocorticoid drugs in time, such as topical hydrocortisone ointment, oral prednisone tablets, dexamethasone tablets; antihistamines such as cetirizine, ibogaine, etc. to carry out treatment. The above drugs should be used according to the doctor’s instructions.