The invention discloses a processing method of a vacuum refrigerating flavored prawn cake. The processing procedure comprises the following steps of: material selecting, pretreating, pulping, forming, steaming, cooling, traying, refrigerating fast, cutting, refrigerating fast, vacuum refrigerating and drying, sorting, metal detecting and packaging. The flavored prawn cake comprises the following raw materials in parts by weight: 70-80 parts of minced fillet, 20-30 parts of peeled prawns, 8-10 parts of soy protein isolate and 2-4 parts of prawn meat extract. The processing method of the vacuum refrigerating flavored prawn cake provided by the invention has the advantages that the product appearance is good in color, that the original rich nutrition ingredients and the special flavor and taste of the vacuum refrigerating flavored prawn cake are reserved, that other bad smell is not generated, and that the vacuum refrigerating flavored prawn cake can be stored for a long time even at normal temperature, has a shelf life as long as 12 months and is ready to eat.