Heat on the face may be high skin sensitivity, exposure to hot and cold stimuli lead to local capillary dilation, and sensitive skin, often thin, once the capillary dilation, it is easy to feel local burning, and even itching, pain, etc.. The causes of thin skin and high sensitivity are: first, the use of some exfoliating skin care products; second, the use of some hormone-containing drugs or skin care products, resulting in hormone-dependent dermatitis; third, repeated allergies, sun exposure, poor repair work after allergies, damage to the stratum corneum; fourth, in the seaside or highlands such as strong ultraviolet areas, do not pay attention to sun protection, the barrier function is damaged. After finding that the face is hot, it is recommended to use cold water to continuously wet compress and take oral carotene and hydroxychloroquine to reduce sensitivity.