Objective To explore the effectiveness and feasibility of Montessori training on abnormal eating behavior of patients with Alzheimer′s disease (AD), and to establish a suitable Montessori training model for AD patients. Methods Totally,68 AD patients were selected for the study.All patients were given Montessori feeding training on the basis of routine treatment and nursing care: first, the eating problem of AD patients was identified, then intervention measures were taken by referencing to the methodology (planning, action, observation, reflection) of action research.The nutritional status and abnormal eating behavior of patients before and after intervention were compared. Results After intervention,the AD patients′ autonomous eating time, actual eating proportion, abnormal eating behavior, and nutrition scores saw significant improvement from baseline （P＜0.01 for all）. Conclusion Establishing and perfecting the Montessori eating training model for AD patients based on the action research method can improve the abnormal eating behavior of patients.