People generally encounter embarrassment or a special atmosphere produced by a kind of expression, called red halo. The blush that generally appears on a young girl’s face alludes to the coy expression of a young girl when she is shy. It can also be compared to the blush that appears on your face when you are drunk. If you have a flushed face, you can be diagnosed. It is also important to be aware of the possibility of a primary disease, and to consider relevant tests, etc., if necessary. To be distinguished from menopausal blush, histamine blush, carcinoid blush, erythema is mainly due to facial capillary dilation or a part of the capillary location superficially caused by the facial phenomenon, facial erythema patients face looks redder than the general normal skin tone, people often called plateau face or red face, some just both sides of the cheek reddening, the border is rounded, generally in a filamentous arrangement. This kind of skin is thin and sensitive, and the face is more red when it is too cold, too hot, or emotionally excited. Severe cases will also form sedimentary pigmentation face flushed with redness.