Redness with small bumps on the face may be caused by genetic factors or skin diseases, which can be regulated and treated for the causes. 1. Genetic factors: such as perifollicular keratosis. Most of them are caused by genetic factors, belonging to the keratinization abnormality disease, the mouth of the hair follicle will have keratin plugs, there will be skin follicular pimples, usually relatively obvious in winter, some patients are accompanied by itching and other symptoms. Patients can use urea cream to smear, can also be used Vitamin A acid ointment and other medication. 2. Skin diseases: general face redness with small bumps is the possibility of contact dermatitis is relatively large, mostly due to contact with allergic substances caused by the clinic can use ointment for treatment, such as Dinaid cream, tacrolimus ointment and other anti-inflammatory drugs, can also be taken orally levocetirizine hydrochloride capsules and other antihistamine medications, the specific use of medication can be consulted with a doctor. The face is red with small bumps, it is recommended to find the cause in time, can go to the regular hospital to do the relevant examination, the specific can consult a professional doctor, don’t use the drug indiscriminately.