Cancer patients can eat pond jack fish in moderation without allergy. Pangasius fish belongs to freshwater demersal fish, rich in water, protein, a variety of minerals and trace elements. The meat is tender and easy to digest, which is conducive to enhancing nutrition and is suitable for people who are weak and malnourished. Cancer patients can choose light cooking style and consume it in moderation if they are not allergic to it. Cancer patients should develop good living habits, low salt and low fat, and eat more protein-rich foods such as eggs, lean meat, milk and fish to strengthen their body. Fresh fruits and vegetables such as tomato, cauliflower, radish, banana, apple and grape can also be chosen to maintain a balanced nutrition. Try to eat less spicy and stimulating, too sour and too sweet. Excessively greasy food, such as cakes, highly concentrated alcohol, spicy bars, barbecue and other foods, to avoid aggravating the development of the disease. It is suggested that cancer patients should take reasonable treatment under the guidance of doctors, pay attention to the reasonable combination of diet, appropriate exercise and regular review during the treatment period.