A lot of dense bumps on the lips are commonly caused by contact labyrinthitis, orofacial herpes, glandular labyrinthitis and so on. Patients need to clarify the cause and then use the corresponding medication for relief. 1. contact labyrinthitis: it may be caused by the patient eating mangoes, using lip balm, etc., resulting in allergy to the mucous membrane of the mouth and lips, which leads to many dense bumps on the lips. The blisters, which are densely packed bumps, are self-healing. Of course, treatment can also be carried out, it is recommended to follow the doctor’s advice to use acyclovir for antiviral treatment, local can be wet rehabilitation new liquid, etc.; 3, adenoidal lipitis: patients with lip gland hyperplasia accompanied by infection, resulting in the formation of many dense lip bumps. It is recommended to eat more vitamin C-rich food and use hormone therapy, together with antibiotics to control the infection.