The invention provides a making method of pour fish soup powder. The method comprises the following steps: preparing raw materials, cleaning, removing fishy smell, boiling, shearing at a high temperature, grinding, blending, carrying out spray drying, and packaging to obtain a finished product. The making method of the pour fish soup powder uses bones and meat of rainbow trout as the raw materials, and the product is obtained by performing treatment of removing fishy smell, adding auxiliary materials, boiling under the conditions of high pressure and high temperature, carrying out shear emulsification at a high temperature, grinding, blending, and carrying out spray drying, so that the problem of fishy smell of the product is solved, the strong flavor of the product is guaranteed, and thetaste and flavor of the product meet the preferences and hobbies of people; the problem of stratification of fish oil and fish soup is solved, and the product is enabled to become emulsion; the flavorof the material is enriched, and the layering sense of the delicious taste of the fish soup is improved; a spray drying technology is adopted, so that the flavor of the fish soup powder is guaranteed, the loss of flavor is minimized, the shelf life of the product is prolonged, the quality of the final product is improved, and the more convenient and faster demands of consumers are met.