The more spots grow on the body, it may be related to age spots, flat warts, vitiligo, solar keratosis and so on. 1. Age spots: Age spots usually start to develop in middle age, and usually grow on the patient’s head and face, back, forehead and neck, and with the gradual increase of age, the skin damage on the patient’s skin will be more and more. The color of the plaque is usually yellowish brown or dark gray, and may be slightly higher than the skin surface. 2. flat warts: this is caused by HPV virus infection, usually appear in the face, neck and back of the hands, manifested as a round border clear light brown plaque, slightly higher than the skin surface. 3. Vitiligo: If the patient’s body is belongs to the white or light pink patches, such patches are getting more and more, while the normal skin color decreases, it may be vitiligo, which can grow in any part of the body. 4. Solar keratosis: If exposed to ultraviolet rays for a long time, the ultraviolet rays stimulate the skin, which will lead to increased pigmentation and more and more spots. The spots on the body grow more and more due to more causes, it is best to be able to go to the regular hospital in a timely manner to clarify the cause, and then standardized treatment by specialists.