Long-term bedridden elderly may cause a variety of complications, including urinary tract infections, bedsores, decubitus pneumonia, venous thrombosis, etc., plus the existence of some of the underlying diseases of the elderly, the existence of these complications will not only aggravate the disease, but also excessive consumption of the body, reduce immunity, in the daily care need to pay extra attention to the following talk about the four common diseases. 1, urinary tract infections often occur in paraplegic paralysis, consciousness coma, dementia and other bedridden people, because of urinary incontinence need to use the catheter to urinate, urine retention in the urinary tract or poor drainage, it is easy to lead to infection, so that germs invade the urinary tract and cause inflammation. Care method: drink more water, receive urine regularly, pay attention to the hygiene of the pubic area, keep clean and dry. 2. Decubitus ulcers Long-term bed rest leads to long-term pressure on the local skin, blood circulation is blocked, the skin under pressure cannot obtain nutrients and then necrosis, skin bruising and ulcers, and even deep cavities or cavity type decubitus ulcers. Care methods: turn over and change position regularly, pad the vacant part of the body with soft clothing to avoid excessive pressure, use topical decubitus ulcer medication to repair and care for broken wounds in a timely manner, and go to a specialist hospital for trauma repair as soon as possible in serious cases, so as not to delay. 3. Pneumonia caused by overexertion of other diseases leading to physical weakness, coupled with long-term bed-ridden lung base in congestion and edema, as well as poor drainage of sputum, bacterial growth and reproduction, accompanied by fever, cough, respiratory distress and other signs. Care methods: Encourage patients to cough up sputum and give expectorant medicine, help patients turn and pat their backs, assist in sputum discharge, and patients with serious conditions need oxygen and sputum suction. 4.Venous thrombosis Due to the reduced activity of lower limbs, the blood flow in the veins of lower limbs slows down or stagnates, resulting in platelet aggregation and adhesion to the inner wall of the blood vessels, or in a state of high coagulation, thus forming thrombosis. Care method: According to the situation, help patients to do limb massage and stretching exercises to promote blood flow, and appropriately supplement vitamins and high protein dietary nutrition.