Dry, cracked and skinned lips, mainly due to lipitis, can be divided into contact lipitis, atopic lipitis, exfoliative lipitis, the treatment is mainly moisturizing ointment, glucocorticoid ointment and so on. 1. Contact lipitis: first of all, avoid re-exposure to the sensitizer or stimulus that induced the lipitis, you can apply petroleum jelly for moisturizing, and use hydrocortisone ointment externally. 2. Atopic labiitis: associated with a history of atopic dermatitis, patients may present with dry, chapped, and flaky lips, which can be treated with topical petroleum jelly for moisturization and calcium-modulated phosphatase inhibitors such as tacrolimus ointment. 3. Exfoliative labyrinthitis: it is a kind of unexplained primary desquamative mild inflammation, which can be treated with Vaseline ointment, combined with glucocorticosteroids such as Dinaid ointment, or calcium-modulated phosphatase inhibitors such as tacrolimus ointment, and other medications. If accompanied by bacterial infection, mupirocin ointment can be used to fight infection. If your lips are dry and cracked, we recommend that you go to the hospital first to confirm the cause of the disease, and all medications should be used under the guidance of a professional doctor.