The causes of repeated allergies on the patient’s face, consider the following aspects: First, the skin itself is dry and dehydrated: it can cause the skin barrier to be damaged, so there is dry and cracked skin, accompanied by peeling skin, when the skin has an allergic reaction, you need to strengthen the basic care of the skin, moisturizing, hydration, sun protection, you can use medical skin care products or moisturizing cream. Second, sensitive skin: mainly due to the patient’s long-term application of hormone-containing ointments, cosmetics, and improper skin care, causing the skin to appear hormone-dependent dermatitis, so on the face can appear flushed, accompanied by red blood, itching. For treatment, appropriate medical skin care products, such as those containing ceramide and hyaluronic acid, can be given, while hydroxychloroquine sulfate tablets and olopatadine hydrochloride tablets can be taken orally, and a mixture of skin barrier repair cream and tacrolimus ointment can be applied topically. During the treatment period, patients are instructed to abstain from spicy and irritating foods and alcohol, and to pay attention to sun protection by applying sunscreen and barrier cream topically, as well as wearing umbrellas, cars and hats. Therefore, for patients with recurrent allergies on the face, it is recommended to go to the dermatology department of a regular hospital and carry out the appropriate treatment under the guidance of a doctor.