The appearance of a small red dot on the lips requires careful observation of the appearance of the small red dot. If the small red dots have a mild bump, which can be accompanied by mild pressure pain, consider it to be an inflammatory papule formed by anxious, inflammatory infection with bacteria. You can use metronidazole gel topical application, drink more water to accelerate the metabolic rate of the whole body, so that the small red spots to accelerate the fading. If the small red dots with itching, consider perioral eczema, localized erosion, exudation, peeling, you can take oral diclaretin tablets to relieve itching, you can choose cetirizine tablets, topical application of vitamin E cream or direct application, dehumidification and antipruritic, to help the overall recovery of the disease.