Symptoms of flat warts in men are mainly the appearance of light brown or skin-colored flat papules on the skin, which are contagious. Flat warts in men are caused by HPV (human papillomavirus) infection, transmitted through skin contact, and are most common on the face, neck, back of the hands, and the extensor side of the forearms. The symptoms of flat warts in men are one or more scattered flat papules of the size of a grain of corn to a green pea on the skin, the surface is smooth, light brown, skin color or brown, usually no obvious self-conscious symptoms or only mild itching. The actual fact is that the actual warts can easily spread to other parts of the body if they are not treated in a timely manner. If you have a flat wart, you can go to the hospital for dermatoscopy to make a clear diagnosis, and then you can do laser, electrocautery or cryotherapy, or you can also use imiquimod cream, retinoic acid cream and other drugs to treat it. If you suspect that you have flat warts, it is recommended that you go to the hospital in a timely manner, and the medication should be used in accordance with the doctor’s instructions.