Most of the blisters on the lips on fire are due to herpes virus infection caused by the patient’s low immunity, and this is called herpes labialis. Patients who develop herpes labialis can take the following treatments: First, take some oral anti-viral drugs, such as Pudilan oral solution, anti-viral pellets, and double-herpes, which will help herpes heal. Second, diet should be careful to avoid spicy, irritating food and too hot food, these will prevent the healing of herpes, you can eat some light, defeat the fire food, which is conducive to herpes healing as soon as possible. The patient should pay attention to keep the vesicles clean and use some creams to promote the healing of herpes, and you can choose acyclovir cream and ribavirin cream.