Warts on the face are usually due to common warts caused by viral infection, and there may also be seborrheic keratosis, also called senile warts, caused by the increasing age of the patient, which needs to be analyzed specifically. 1. common warts: when the patient has a break in the skin and comes into contact with items contaminated by the virus the virus will be infected on the skin. However, the human papilloma virus has a certain latency period, when the body immunity is low the virus begins to reproduce and multiply, resulting in warts on the skin. 2. Seborrheic Keratosis Pilaris: It is related to skin aging, heredity, gene mutation, etc. Over-exposure to ultraviolet rays, viral infections or tumors can also induce seborrheic keratosis pilaris. Seborrheic keratosis often occurs on the head and face, the back of the hands, the trunk, etc., manifested in the size of the pimples with clear boundaries, usually no obvious self-conscious symptoms. If you have warts on your face, it is recommended that you go to the hospital in time, and under the guidance of your doctor, you will be able to find the right treatment for the cause of the problem.