How long an elderly person can live with a long-term gastrostomy tube for fluids needs to be determined on a case-by-case basis, which may be a few days for some patients and decades for others. This is related to the primary disease, treatment, family care and so on. 1. Primary diseases: such as gastrointestinal malignant tumors, the impact on survival will be greater; such as malignant tumors of the limbs, generally does not affect the gastrointestinal function in the short term, the survival period may be longer. 2. Treatment: if actively cooperate with drugs, surgery, radiotherapy and other treatments, the survival period will be prolonged. 3. Family care: If family members do not take proper care of the patient, complications such as decubitus ulcer infections and crashing pneumonia will also have an impact on the survival period. The problem of how long an elderly person can live with a gastric tube in place for a long period of time, it is recommended to actively consult a doctor to give a preliminary estimate according to the situation.