The causes of pain under the chin may include local soft tissue inflammation, hair follicle infection, and jawbone fracture, etc. Patients should choose the appropriate care and treatment according to the different causes to avoid delaying the condition. 1. Local soft tissue inflammation: swollen lymph nodes due to pharyngitis, stomatitis, etc. may cause pain when pressing at the chin. Patients should actively treat the primary disease, drink more water, pay attention to proper rest, and at the same time, keep oral hygiene clean. Oral antibiotics such as ofloxacin can be taken for treatment. 2. Hair follicle infection: As the chin is greasy, the blockage of pores causes obstruction of secretion excretion, accompanied by infection will lead to pain. Patients can use topical diclofenac diethylamide ointment for treatment, and at the same time, avoid spicy and stimulating food to avoid aggravating the symptoms. 3. Mandibular fracture: Mandibular fracture due to trauma or other reasons, can appear under the chin at the pressure pain. The patient needs to go to the hospital to take pictures to make a clear diagnosis, keep braking and resting, and undergo surgery if necessary. If you have pain under the chin, you should go to the hospital in time and take active treatment, so as not to miss the condition.