The nutrition of cancer patients in palliative care is essential, since cancer leads to deterioration of nutritional status, leading to a nutritional imbalance that can progress to severe malnutrition depending on the extent of the tumor, affecting the patient's prognosis. It is a descriptive study, of the type integrative literature review, of a qualitative character, the search occurred in the databases: LILACS, SCIELO and BDENF, via VHL, and Scholar Google. The articles were collected in the period of September 2020. The descriptors were used: Nutritional therapy, Oncology and Palliative care. After applying the eligibility criteria, 8 studies remained. Nutritional therapy helps to reduce symptoms related to treatment, as well as weight ...