On the 4th day after gastrointestinal polyp surgery, you can add easy-to-digest, light food, preferably fluids, such as porridge, congee, milk and other foods. On the 4th day after gastrointestinal polyp surgery, if there is no abdominal pain, bleeding and other abnormal symptoms, then you can eat some light, easy-to-digest fluffy food, such as white congee, lean meat porridge, millet porridge, rice porridge, rice paste, milk and so on, which are less stimulating to the stomach and beneficial to the body. At this time, you need to avoid spicy stimulating and hard food, which will increase the burden on the digestive tract, and you should pay attention to avoid increasing the pressure of gastrointestinal digestion, which will affect the effect of the surgery. After the gastrointestinal polyp surgery, you need to pay attention to the cleanliness and care of the surgical wound, consume easy-to-digest food, avoid hard food, and if there are abnormal symptoms after the surgery, seek medical attention in time to prevent the condition from worsening.