This article systematically retrieves the literature related to nutritional impact symptoms from China National Knowledge Infrastructure CNKI Wanfang Database Chinese Biomedical Literature Database VIP Database Pubmed Embase Web of Science and CINAHL database analyzes and elaborates on the definition and connotation of nutritional impact symptoms. The search period is from the establishment of the database to April 2024. The Walker and Avant conceptual analysis methods were applied to analyze and integrate the definition attributes predisposing factors and aftereffects of symptoms affected by nutrition in tumor patients. A total of 32 literatures met the criteria. The definition attributes of symptoms affected by nutrition are multi-dimensional persistent dynamically changing and cumulative burden. The predisposing factors include patient factors disease factors and supporting factors The aftereffects include an increased risk of malnutrition a decline in quality of life adverse clinical outcomes and an increased economic burden. The symptoms of nutritional impact in cancer patients manifest as a complex and comprehensive process influenced by multiple aspects such as the individual and the external environment which has a negative impact on the clinical outcomes of the patients. In nursing a multi-dimensional intervention approach should be adopted to identify nutritional risks at an early stage and play an active role in improving the symptoms of nutritional impact.