The invention belongs to a nutritive food production field, concretely an intestinal mucosa protection and restoration type enteral nutritive product and a preparation technology thereof, and provides a product capable of protecting intestinal mucosa, promoting restoration of the intestinal mucosa after injury, preventing and mitigating patient constipation, and providing equalization nutrition support. The nutritive product is prepared from micromolecule peptides of sea animals, glutamine dipeptide, soybean peptide, maltodextrin, dietary fiber, and medium- and long-chain triacylglycerol oil, etc., is blended with composite vitamins, prebiotics and probiotics according to nitrogen and heat requirements recommended to medium stress patients, can protect the intestinal mucosa and promote restoration of the intestinal mucosa, and promotes intestinal colonization of beneficial bacteria, thereby inhibiting harmful bacteria proliferation, reducing endotoxin generation, preventing movement of endotoxin, and providing a nitrogen source, carbohydrate, fat and vitamins required by a human body in a pathologic period. The product is suitable for a patient with intestinal mucosa injury caused by a plurality of factors like wound, great surgery operation and tumour chemotherapy, is safe and has no toxic side effect, and can be prepared to be electuary or functional nutritive injectable suspension.