The invention discloses a preparation method of a smearing type processed cheese and the prepared smearing type processed cheese. The processed cheese comprises raw materials including natural cheese, milk protein concentrate, butter oil, liver meal, emulsifying salt, a sweetener, a stabilizer and water, wherein the content of the natural cheese is 15-25 percent, the content of the milk protein concentrate is 1-5 percent, and the content of the liver meal is 0.5-1.5 percent; the natural cheese is a mixture of ripen cheese with 3-6 month ripeness and fresh salt-free cheese; and the stabilizer comprises carrageenan. The preparation method comprises the following steps: 1, pre-mixing the natural cheese, the butter oil, the emulsifying salt, the milk protein concentrate, the liver meal and the stabilizer to obtain a material A; 2, mixing the material A, the sweetener, and the water, melting, degassing at pressure of 750-850 mbar for 15-30 seconds; 3, performing super-pasteurization; 4, sterilely homogenizing; 5, emulsifying; and 6, thermally canning, cooling and forming. The smearing type processed cheese contains animal liver, and is good in flavor, thin in texture, stable in shelf life, and suitable for being eaten by a baby.