Swelling and pain in the gums of long wisdom teeth is usually wisdom tooth pericoronitis. For wisdom tooth pericoronitis during lactation, patients are advised to go to the dentist and receive further treatment under the doctor’s guidance, including general treatment, medication and surgical treatment. 1. General treatment: patients with pericoronitis of wisdom teeth during breastfeeding should keep their mouths clean and hygienic, brush their teeth regularly, rinse their mouths with mouthwash, and use dental floss and other tools to remove food debris. At the same time, pay attention to rest, avoid exertion, and eat a light diet. 2. Medication: Breastfeeding patients mainly focus on local medication, such as the use of saline, hydrogen peroxide solution local rinsing, in order to remove the infected material, and in the gum pocket drops of iodine glycerin, for local anti-inflammatory. 3. Surgical treatment: If localized abscess is formed and systemic fever and other symptoms occur, abscess incision and drainage can be considered. In addition, after the symptoms of wisdom tooth gum swelling and pain are completely relieved, wisdom teeth should be removed as soon as possible to avoid recurrence. Patients who have wisdom teeth and gums swelling and pain during breastfeeding should consult the doctor in time and follow the doctor’s instructions for standardized treatment, and should not blindly use their own medication, so as not to have an adverse effect on the fetus.