The daily diet of many oncology patients is often more elaborate than that of ordinary people. “Both want to supplement nutrition and worry about bringing burden to the body”, such a trouble is quite common in patients. In actual life, many tumor patients and their families also fall into various dietary misunderstandings because of the influence of some traditional concepts, and a series of problems such as insufficient nutrient intake, poor quality and imbalance of ratio follow, leading to the aggravation of malnutrition of patients and the reduction of quality of life, which even affects the survival time. It is understood that more than half of the malignant tumor patients have different degrees of malnutrition, and surgery and radiotherapy will also further affect the nutritional status because of insufficient feeding. At this time, in order to enhance the patient’s health, it is necessary to eat scientifically and reasonably, if “eating wrong” will only add to the problem. Myth 1: The more nutritious you eat, the faster the tumor growth Correct: Tumor cells will not slow down their growth because of malnutrition, but when they are malnourished, immunity will be the first to be affected. In the process of daily consultation, doctors always encounter some malnourished tumor patients who eat vegetarian food as their main diet. “Many people believe that they cannot eat too nutritious food when they have a tumor, otherwise the tumor will grow faster. However, so far, no research has found that increasing nutrition can promote tumor growth. On the contrary, tumor cells do not slow down their growth because the body is malnourished, and the immunity of the body bears the brunt of the impact when malnutrition is present.” Wu Yongyou said. He said that a lot of studies have found that compared with malnourished tumor patients, patients with good nutritional status have better quality of life and longer survival time. Myth 2: Eating “hairy food” promotes tumor growth Correct: Eggs and chicken, which are considered as “hairy food”, have no significant role in promoting tumors and are sources of high quality protein. In many areas of China, there is a traditional view that “hair” food will stimulate tumor growth, so people take many foods as “hair” for granted, resulting in many common foods that patients want to eat, but respect and stay away from. This will easily lead to malnutrition. For example, many people think that eggs and chicken are also “hairy foods”, but modern research has found that these foods do not have any significant promoting effect on tumors, but are sources of high quality protein. Myth 3, as long as you eat well, do not seek to eat well Correct: Tumor patients should eat rice to seven or eight minutes full, and should increase the intake of high quality protein, and do not overly restrict lipids. For various reasons, such as the influence of poor living conditions in the past, or misunderstanding of protein and fat, some patients may think that “rice should be full and meat should be less”. However, new research has found that for tumor patients, rice should not be too full, but only seven or eight minutes full; the intake of high quality protein should be increased appropriately, as protein is essential to maintain the cellular structure and immunity of the body. There is no need to restrict lipids too much, some studies even found that increasing lipid intake has a certain inhibitory effect on tumors. Among the lipids, foods rich in unsaturated fatty acids are preferred. The first thing you need to do is to take your own health care products. Nowadays, there is a wide variety of nutritional products on the market, but the quality varies, and some products have unclear ingredients, misleading consumption, exaggerated effects and other problems, it is difficult to play a good nutritional support effect. Therefore, both patients themselves and their friends and relatives should pay attention to not to follow the trend, beyond the affordability, over-reliance on nutritional products.