Alzheimer’s disease with loss of bowel control is an advanced symptom, and its survival time can be as short as a few months or as long as no more than ten years, depending on the specific condition and level of care. The natural course of Alzheimer’s disease is usually five to ten years, rarely more than ten years. It is common for people to die from bedsores, pneumonia, and cardiorespiratory failure caused by prolonged bed rest. The length of time that a person with Alzheimer’s incontinence survives depends on the underlying disease and the care provided. If the elderly person has serious underlying diseases, such as coronary heart disease, diabetes, severe hypertension, etc., then the survival time will be further reduced, and some even within six months. At the same time, post-care is also very important, because if serious bedsores and pneumonia occur, the prognosis is often poor, and the survival time is very short. But with proper care and fewer underlying diseases in the elderly, some can survive for five to ten years. Alzheimer’s disease is a serious disease of the central nervous system that affects human health. Once it occurs, it is important to seek medical attention as soon as possible and actively cooperate with doctors for treatment.