Flat warts have a long treatment cycle and usually take a few months to about a year to cure with medication. Flat warts are benign excrescences of the skin and mucous membranes caused by the infection of human papillomatosis, manifesting themselves as flat pimples on the surface of the body. This disease is generally no self-conscious symptoms, but the treatment time is longer, usually need to be treated for a few months to a year or so to be cured. The disease is self-limiting, even without treatment, most patients’ warts can subside on their own in about 2 to 3 years. Patients should avoid scratching the warts during the treatment period and maintain good personal hygiene habits, which can help the recovery of the disease. The treatment period of this disease is long, but most patients can be cured. Patients should follow the doctor’s instructions to standardize the use of medication.