There are many causes of facial flushing, one of the more common is facial erythema, a skin disorder caused by the dilation of facial capillaries. After the facial capillaries are dilated, it can cause the skin of the face to take on the appearance of a red face and the face can be flushed. There are generally two types: the first is hereditary; the second is induced. One, hereditary is caused by genetic factors, often with a clear family history, triggered by the general more common, its cause is generally the long-term use of local glucocorticoids caused by capillary dilation, resulting in thinning and atrophy of the skin. At the same time, because after receiving strong ultraviolet radiation, the face will lead to flushing. 3, sensitive skin can also generally lead to facial flushing, the external sunlight, temperature, cosmetics, etc. are more sensitive, so it is easy to lead to facial flushing produced. When this happens, it is recommended to go to a regular hospital for consultation and treatment to avoid delaying the condition.