Applying mask face hot stinging pain may be caused by skin dehydration, the presence of wounds on the face, skin allergies and other reasons. 1. Skin dehydration: mask in the nutrients, water and other rich content, when the mask in contact with the dehydrated skin, due to the skin does not have a full response and easy to appear hot tingling sensation, hot feeling will generally disappear after a few seconds. 2. There is a wound on the face: there is a small wound on the surface of the skin of the face, and the ingredients in the mask enter the skin through the wound and cause a hot feeling of discomfort. 3. Skin allergy: the ingredients and materials of the mask are more irritating to the skin, and the skin cannot adapt to them, so an allergic reaction occurs when using the mask, and it is recommended to change the type of mask. This symptom alone is not enough to diagnose the disease, and may be caused by other factors. It is recommended that the patient consult a doctor in time to clarify the cause of the disease and give targeted treatment.