Nursing the disabled and demented elderly with the all-source bedridden toilet nursing instrument: When the patient excretes urine, the sensor automatically senses, and immediately draws out the urine and grinds it and stores it in the dirt bucket. After defecation, clean warm water is automatically sprayed from nozzles everywhere to clean the affected area and the inside of the toilet collector. Each nozzle is also equipped with the function of drying buttocks and private parts, and it can be dried by warm air immediately. Fully automatic and intelligent to complete the whole process of induction, suction, cleaning and drying. Can keep patients clean and dry, and easily solve the problems of defecation and nursing. Set the entry threshold for disability and dementia care. Patients with severe disability and dementia receive nursing services in the "dementia area" set up by designated medical institutions and pension institutions. Each "dementia area" has about 9 beds, and is equipped with 3 medical staff or elderly caregivers who have been trained in dementia care. The "dementia area" is closed, safe, with activity space, complete video monitoring equipment and no blind area, and has the ability to provide diversified care services to meet the care needs of people with dementia at different levels.