The redness of the face usually needs to be identified as a result of what factors: 1, the most common factor is allergic factors, the face due to contact with cosmetics or allergenic substances and skin allergies, at this time you can apply anti-allergy drugs, such as antihistamine drugs line local rubbing or to the hospital sedation methylprednisolone, methylprednisolone, etc., with the effect of improving the role of allergies. 2, face redness if the infectious factors, common If the face is red due to fever, fever, bacterial infection, viral infection or fungal infection, facial redness can also occur, requiring the use of symptomatic drugs, such as anti-inflammatory drugs and antiviral drugs. 3, if the face is red due to fever, you can take non-steroidal anti-inflammatory drugs to play a role in relieving fever and analgesia, such as taking Enzyme, etc. 4, face redness belongs to endocrine metabolic diseases, such as thyroid function disease The endocrine system in the body needs to be treated and regulated in case of thyroid and adrenal gland diseases.