Cool oil can not remove flat warts, there is no therapeutic effect, so do not believe the so-called cool oil can remove flat warts, there is no scientific basis. The main function of the cool oil is to cool the heat, refresh the mind, relieve pain and itching, etc. It is often used to improve the heat stroke, motion sickness, mosquito bites, etc. The cool oil can be used for the treatment of the skin, the skin can be used for the treatment of the skin. However, the clinic did not find cool oil can remove flat warts, flat warts patients in the treatment, do not believe any folk remedies. Physical therapy includes freezing, electrocautery, laser and so on.