The invention discloses a preparation method of processed cheese and the processed cheese prepared through the method. According to the preparation method of the processed cheese, raw materials comprise natural cheese, fruit grains, emulsifying salt, butter oil, sweetening agents, acidity regulators, lactoprotein raw materials, stabilizers and water, and the mature period of the natural cheese is shorter than one year; the method includes the following steps that the raw materials are mixed, cooled, packed in a filling mode, and further cooled. The preparation method of the processed cheese is simple in operation, suitable for various fruit grains, high in universality and beneficial to industrial production. The fruit grains of the processed cheese are distributed uniformly and can be seen by naked eyes, the processed cheese is distinct in chewiness, long in shelf life, stable and safe in the shelf life, good in mouthfeel, high in elasticity, excellent in tenderness and smoothness, good in chewiness, good in flavor and texture, moderate in sweetness and acidity and capable of containing different types of fruit grains, cut surfaces are smooth and flat, the number of types of processed cheese is increased, and the processed cheese is delicious and nutrient.