Soba as a representative of coarse grains, which contains 11.3g protein per 100g, 70.2g carbohydrate, 2.8g fat, 5.5g dietary fiber, as well as calcium, phosphorus, potassium and other trace elements, to provide the body with the nutrients needed. In addition, buckwheat also contains rutin, niacin, flavonoids and other ingredients, which have a positive effect on maintaining human health. It is recommended that patients with gastric perforation in the postoperative repair, gastrointestinal function recovery from a liquid diet gradually transition to pasta, after the stabilization of the condition of the appropriate to eat some buckwheat can be supplemented to the patient’s body needs of nutrients and energy, is conducive to the recovery of the condition. However, buckwheat is difficult to digest, eat at this time, do not amount to more, and to be cooked before eating, to avoid aggravating the burden on the stomach, causing accidents.