The older adults are high risk population for malnutrition. Malnutrition is closely associated with numerous adverse clinical outcomes, which may seriously affect the physical health and life quality of the older adults, causing heavy burdens on families and society. Therefore, it is of great importance to take effective measures to improve malnutritionin the older adults, and non-pharmacological interventions have been proved to be important measures to improve nutritional status. However, there is no domestic clinical practice guideline for non-pharmacological interventions specifically for malnourished older adults. Therefore, nutrition experts from China Gerontological Nursing Alliance, National Center for Gerontology and National Clinical Research Center for Geriatric Disorders developed the guideline based on the Grading of Recommendation Assessment, Development and Evaluation (GRADE) including 9 recommendations of non-pharmacological intervention formal nourished older adults through a comprehensive search and analysis of the latest domestic and international literature on malnutrition in the elderly, in order to improve malnutrition and quality of life in the older adults. This guideline focuses on malnourished older adults who can be fed orally and enteral nutrition, parenteral nutrition is not covered by the scope of this guideline.

老年人是营养不良的高发人群，营养不良与众多不良临床结局密切相关，严重影响老年人的身体健康和生活质量，给家庭和社会造成沉重负担。因此，采取有效措施改善老年人的营养不良至关重要，非药物干预是改善营养状况的重要措施。然而，国内尚无专门针对营养不良老年人的非药物干预临床实践指南，因此，中国老年护理联盟、国家老年医学中心和国家老年疾病临床医学研究中心的营养专家，通过对老年人营养不良最新的国内外文献的全面检索与分析，采用推荐意见评估、制订及评价（GRADE）分级体系制订了本指南，针对营养不良老年人非药物干预提出9条推荐意见，以期能够改善老年人营养不良状况，提高生活质量。本指南侧重于可经口进食的营养不良老年人，聚焦于肠内营养，肠外营养不在本指南讨论范围内。