Dark spots on the temples can be caused by many diseases, such as frequent sun exposure or the application of some cosmetics and the stimulation of chemical agents, which are mainly manifested as dark patches of skin. The more common ones on the face, such as melasma, can also grow on the temples, which can be caused by endocrine disorders, estrogen and liver disease. Age spots are black keratotic papules with rough surface. Nevus of Ota can also grow on the temples. Nevus of Ota is a kind of brownish-blue rash, and often the conjunctiva of the eye can be seen to be greenish.