Blood blisters on the feet of bedridden elderly may be due to herpes sweat, local tissue damage and infection, etc. It is recommended to take the elderly to the hospital in time to identify the cause of the disease, symptomatic treatment. 1. Sweat blisters: may be due to seasonal changes, hot and humid climate caused by sweat blisters, the elderly feet will appear slightly above the skin, symmetrical distribution of small blisters or blood blisters the size of a grain of rice, can be in the guidance of the doctor local application of pimecrolimus cream or trimethoprim urea acetate cream and other drugs treatment. 2. Local tissue damage and infection: if the elderly have bumped, friction will lead to local blood vessel congestion and rupture phenomenon, which may be accompanied by epidermal blood blisters, can be under the guidance of the doctor through the cold solution wet compresses to improve the symptoms. If there is a soft tissue infection, can be treated with anti-infective drugs, such as topical fusidic acid cream, compound polymyxin b cream and other drugs. Bedridden elderly people appear foot blisters symptoms, it is recommended to go to the hospital in a timely manner, to identify the cause of the symptomatic treatment, usually need to pay attention to foot hygiene, to develop the habit of washing feet every day.