There are many reasons for face spots, such as freckles, chloasma, seborrheic keratosis and other reasons. 1. Freckles: a kind of brownish dot-like skin pigmentation spots, genetic factors, sunlight exposure is the main reason for the onset of the disease. 2. Melasma: Most of them are caused by sunlight exposure, cosmetics, hormones, metabolic disorders, genetic factors and other causes of yellow-brown spots, so it may lead to face spots. 3. Seborrheic keratosis: i.e. senile disease, which may be related to sun exposure, chronic inflammation stimulation, etc., will cause the skin to appear irregularly protruding from the skin surface of the brown patches, which will also lead to long spots on the face. There may be other reasons for long spots on the face, and it is recommended to go to the hospital in time for examination and standardized treatment to clarify the cause of the disease.