Itchy small red bumps on the face, consider contact dermatitis, folliculitis, acne and so on. 1. Contact dermatitis: If your face comes into contact with some allergic substances, such as cosmetics, pollen, etc., your skin will undergo an allergic reaction and small red bumps will appear, accompanied by itchy symptoms. 2. Folliculitis: most of the folliculitis is infectious folliculitis, under normal circumstances, the skin is colonized by some bacteria, when the skin occurs tiny wounds, bacteria will enter the skin through the wounds and cause follicular infections, mainly manifested as a red pimple centered on the hair follicle, and sometimes there are white pustules at the top, and itchy symptoms. 3. Acne: Acne and the body’s hormone levels are related to the body’s elevated levels of androgens will lead to excessive sebum secretion, sebum can not be discharged will cause inflammation, coupled with the propagation of Propionibacterium acnes acnes, acne, but also accompanied by itching symptoms. Itchy bumps on the face may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.