How many days can you eat vegetables after having a gastric polyp is determined by the size of the gastric polyp and the number of polyps. 1. Polyp size: If the polyp is small when the operation is carried out, you can eat a small amount of light green vegetables after 6~8 hours of postoperative observation without bloating, nausea, vomiting, etc. If the polyp is large, you need to be hospitalized to observe the crowd for 48 hours before eating a small amount of green vegetables. 2. The number of polyps: single polyps can be removed after 6 to 8 hours to eat a small amount of light green vegetables, if the polyps are large, traumatic surface of the crowd need to be observed for 48 hours before consuming a small amount of light green vegetables. It is recommended that patients should follow the doctor’s instructions to eat and make judgment according to their own situation.