A blister-like growth inside the lips is mostly formed by a lip gland cyst. The soft tissues of the lips are rich in a large number of glands that secrete mucus and discharge it into the mouth to lubricate the mucous membrane and promote digestion. If the lacrimal gland is inadvertently damaged, the gland cannot be discharged after the glandular duct is blocked, and the fluid collects in the gland and the volume keeps increasing, forming a cyst, the herpes is clear and thin, the wall of the herpes is thin, and the smaller volume of the cyst can be removed by using laser or microwave. Repeated destruction to form a scar or larger cysts require excision under local anesthesia followed by suturing to close the wound. Note that the diet should be light, avoiding spicy and irritating and greasy foods.