If there are obvious red dots in the pore area, you need to carefully touch the area with red dots to see if there are obvious bumps. If there are slight bumps distributed on both sides of the upper arms and cheeks, consider that it may be follicular keratosis, which is caused by genetic factors that cause the formation of abnormal keratinization of the sebaceous glands of the hair follicles, and generally does not hurt or itch without any conscious symptoms. If the pore red spot area has obvious bumps, accompanied by intense itching, consider that it may be skin amyloidosis, which is directly related to chronic skin allergy and long-term scratching and irritation. When the local skin is coated with certain drugs for a long time, it also tends to trigger irritant dermatitis. The red dots on the local pores will be accompanied by mild itching, which may lead to increased itching symptoms after contact with hot water, and malassezia folliculitis caused by fungal infection, which also tends to appear as red dots on the pore area.