After being bitten by ants, some patients may not have obvious symptoms, but some patients may have localized skin redness, swelling or itching. Ants mainly secrete ant acid, so after being bitten by ants, you should use alkaline substances such as soap to neutralize the ant acid, and then you can apply dermatoprene or Bactrim, erythromycin and other medications as prescribed by your doctor. If the symptoms are mild, you can also try to use furnace glycolic lotion or anthralin, etc. When you apply it, you can apply it four to five times a day, and pay attention to the cleanliness of the wound, you can use water or soapy water to rinse it before each application, and you will achieve better results after three days of continuous application. If the symptoms of the skin are not relieved or side effects appear after applying the medicine, you should stop the medicine and seek medical attention.