Repeated facial allergies are usually caused by exposure of the face to allergens, and may also be related to a damaged facial skin barrier and reduced ability to resist external stimuli. Once a facial allergy occurs, it should be promptly consulted and treated accordingly by a doctor. Due to the long-term use of skin care products containing certain chemicals and hormones, or daily contact with ultraviolet rays, pollen, dust mites, etc., it is difficult for patients to completely isolate these allergens, and once re-exposed, the symptoms of facial allergy will recur. In addition, such as the use of poor-quality cosmetics, frequent exposure to the sun, improper skin care, etc., will cause damage to the facial skin barrier, and its ability to resist external stimuli will be reduced, resulting in the face is prone to allergies, a series of symptoms manifestations. Patients with facial allergy symptoms should avoid rubbing or scratching the affected area with their hands to avoid infection. Medications such as tacrolimus ointment can be used under the guidance of a doctor, and antihistamines such as cetirizine and loratadine can be taken orally if necessary to reduce the allergic reaction. For patients with recurrent facial allergies, they should go to the dermatology department of the hospital for allergen testing in time to clarify the allergens and try to avoid contacting these allergens in their daily life in order to minimize the recurrence of facial allergies. All of the above medications should be used in accordance with the doctor’s instructions, do not self-medicate.