If your face is red and itchy, you need to carefully observe the skin appearance of your face: if, in addition to redness and itchiness, there is local skin capillary dilation and peeling, consider that it may be facial dermatitis caused by allergy and irritation, you can take oral loratadine tablets or Epastine, and then apply hyaluronic acid gel with dehumidifying and anti-itching ointment on your face for comprehensive treatment; if your face is red and itchy because of UV irritation, consider that it may be UV dermatitis, If the redness and itchiness of the face is formed after the stimulation of ultraviolet radiation, it may be considered as ultraviolet dermatitis, and it is necessary to choose vitamin E cream for external application and then apply cold compresses with chilled mineral water, which will have a certain role in promoting the overall recovery. You need to pay attention not to consume too much chili, wine, seafood, mangoes, pineapples and other foods before the face is completely back to normal to avoid repeated aggravation of symptoms.