Membranous nephropathy patients taking tacrolimus has a certain effect, but the specific efficacy varies from person to person, it is recommended that patients with membranous nephropathy according to the specific conditions of the doctor’s orders to standardize treatment. Tacrolimus is an immunosuppressant, which can be used to prevent rejection after liver and kidney transplantation, to treat rejection that cannot be controlled by other immunosuppressant drugs after kidney or liver transplantation, and can also be used in patients with nephrotic syndrome and membranous nephropathy. Membranous nephropathy patients taking tacrolimus has certain efficacy, but this drug needs to be standardized use under the guidance of a doctor. Tachycardia, ventricular hypertrophy or septal hypertrophy, leukopenia, anemia, headache, seizures, tinnitus, blurred vision, dyspnea, nausea, diarrhea, hypomagnesemia, hypokalemia, and other adverse reactions may occur during tacrolimus administration. This drug is contraindicated in persons who are allergic to tacrolimus or other macrolides and persons who are allergic to any of the excipients of this product. CAUTION: This product should be prescribed by a physician experienced in immunosuppressive therapy and management of organ transplant patients. Patients taking this product should be followed by a healthcare facility with adequate laboratory equipment and medical staff. The physician responsible for maintenance therapy should have all the information necessary for follow-up. If the diagnosis of membranous nephropathy is confirmed, it is recommended to go to a regular hospital in time and follow the doctor’s instructions to standardize the treatment, do not blindly self-medication, in order to avoid delaying the condition.