The reasons for eczema on the face are the following: the first point, caused by allergic factors, such as long-term exposure of the face to the outside environment, can be exposed to pollen, dust or some mold-like substances, and cause the occurrence of eczema. The second point, caused by long-term intense exposure to sunlight. In terms of treatment, you need to avoid exposure to the above factors in your daily life to induce the occurrence of eczema. You can take oral antihistamines such as Olopatadine hydrochloride tablets, loratadine capsules, chlorpheniramine maleate tablets, epinastine hydrochloride capsules and compound glycopyrrolate capsules, and use zinc oxide borate ointment or black bean distillate oil externally.