The invention discloses a nutritional formula food for type 2 diabetic patients. The nutritional formula food is prepared by the following steps of 1, weighing buckwheat flour, onions, pumpkins, spinach, bitter gourds, cortex cinnamomi, tremella fuciformis, semen coicis, radix angelicae sinensis, rhizoma alismatis, cortex moutan, rhizoma dioscoreae, herba portulacae, radix astragali, rhizoma anemarrhenae, fructus lycii and water. Through cooperative use of an air cylinder, a connecting rod I, a connecting rod III, an extrusion plate, a sieve plate and a filter plate, the yield of effective components is increased, medicine residues are filtered, the tediousness of follow-up filtering operation is reduced, and the working efficiency of a user is improved; the pumpkins contain fructose capable of inhibiting glucose absorption, and the absorption is blocked, so that the effect of reducing blood glucose is achieved; and the food can serve as powder to be taken after being mixed with water,can serve as a dinner, is convenient to store and carry, has a diet intervention effect, and has a remarkable effect of reducing blood glucose.