Blushing in the elderly is caused by multiple factors, including physiological reasons, pathological reasons, genetic reasons, etc. If caused by pathological factors, you should actively seek medical treatment. First, physiological reasons elderly people may blush when they are emotionally excited, angry, nervous, anxious, shy and in the state of drinking alcohol. In addition, the elderly facial skin itself is more sensitive, excessive cleaning can also cause facial flushing. Second, pathological causes 1, hormone dependent dermatitis: is due to the facial skin often topical hormones, such as steroid hormones, easily lead to skin thinning, skin atrophy, capillary dilation thus triggering facial redness; 2, rosacea: clinical manifestations for the central part of the face mainly transient or persistent erythema, capillary dilation, papules, pustules, will also appear red face. Third, genetic causes of facial redness in the elderly may also be genetic in nature, presenting familial facial flushing.