Red dots on the face is not acne may be keratosis pilaris, spider nevus and stress purpura and other diseases caused. 1. Keratosis pilaris: Keratosis pilaris is mostly related to genetic and metabolic disorders. Patients will have small reddish or normal-skinned papules, which can be seen on the cheeks and upper arms. 2. Spider nevus: the cause of spider nevus is still unclear, may be related to hormone level changes, liver function abnormalities. The patient’s skin will have blood vessels radiating outward, and the spider’s foot will disappear when pressed, leaving a red spot in the center, which is popular in the neck and face. 3. Pressure purpura: pressure purpura and violent vomiting, crying, resulting in facial congestion, increased pressure, local capillary rupture related to the upper and lower eyelids around the performance of the pinpoint-like purplish red petechiae, pressure does not fade. There are many reasons why red dots on the face are not acne, and it is recommended that patients seek medical examination to clarify the cause of the disease.