1, lung infection Long-term bedridden patients, sputum is not easy to cough up, in addition to drug expectoration, strengthen turning (5-step turning method), effective back patting, so that the sputum is loosened, easy to cough up, to reduce and prevent lung infection. 2.Urinary tract infection Encourage patients to drink more water to play the role of flushing the urethra, clean it well every day, keep the catheter or use antibiotics according to the condition, and give bladder flushing therapy according to medical advice. 3. Pressure sores Turn over every 2 hours (5-step turning method), use pressure-reducing pads, air beds and chair cushions. Pay attention to correcting anemia and hypoproteinemia, strengthening nutrition, and monitoring and controlling blood sugar in diabetic patients; if there are already pressure sores, the trauma must always be kept free of pressure, pay attention to keeping the trauma moist, and keep the area around the trauma dry and clean; those with more trauma pus or combined with other infections should seek medical attention and use antibiotics. 4, thrombosis Long-term bedridden patients with blood clotting abnormally in the deep veins or arteries, which is a lower limb reflux disorder. It is manifested as unilateral limb swelling, pain, high skin temperature, and temperature difference in both lower limbs. Blockage of artery will cause loss of distal dorsalis pedis artery pulsation in lower limbs. To prevent thrombosis in stroke and long-term bedridden patients, we should speed up blood flow, avoid hypercoagulation, control blood sugar, blood lipids and some arrhythmias, strengthen active and passive exercise, eat regularly, maintain a good mood and exercise appropriately. Once the above symptoms appear, please lie down, limit the movement of the affected limb, and seek medical attention promptly.