After chemotherapy, colon cancer is prone to dizziness, general weakness, nausea and vomiting, abdominal pain, leukopenia and other symptoms. At this time, patients can eat milk, coffee, egg soup, chicken soup noodles, fish soup noodles, tomatoes, figs, oranges, sugarcane juice, plum, ginseng tea and food. You can also eat some foods to prevent and treat the side effects of radiotherapy and chemotherapy, such as kiwi fruit, asparagus, longan, walnut, crucian carp, sheep blood, goose blood, grass carp, pond lice, mushrooms, black fungus, quail, coix seed, mung bean, day lily, apple, loofah, walnut, turtle, dark plum, apricot cake, fig, etc., and you can also take them.