Tacrolimus ointment has anti-inflammatory, anti-allergic, anti-itching, reduce oozing and so on, can be used to treat lipitis, as follows. 1. The main ingredient of tacrolimus ointment is tacrolimus, whose chemical organization belongs to the twenty-three macrolide antibiotics, is an immunosuppressant, can inhibit the local immune response, has a certain therapeutic effect on the lipitis, and can reduce the recurrence rate. 2. Adverse reactions of tacrolimus ointment can be seen in oral ulcers, oral candida, stomatitis, etc. It is contraindicated for those who are allergic to tacrolimus, and should be used with caution in patients with hepatic or renal insufficiency, diabetes mellitus, hyperkalemia, and so on. Drugs should be used under the guidance of a doctor, it is recommended to go to the hospital to receive regular treatment.