It should be difficult to give specific data on the cost of treatment of flat warts. The cost will be affected by the severity of the patient's flat warts, the treatment method used, and the treatment in different regions. It is recommended not to buy some ointments to apply on your own. After all, it is a skin problem and it can be big or small. If conditions permit, it is still recommended to go to the dermatology department of a hospital in a big city. Traditional Chinese medicine treatment of flat warts is also the method chosen by many people at present.