Ice cream is a kind of drinking water and dairy products (mpro >；; 2%), eggs, sweeteners, spices, edible oils, etc. As the main raw material, it is mixed with emulsion stabilizer and pigment. And processed by mixing, sterilizing, homogenizing, aging (curing), freezing or molding and hardening. The classification of ice cream is as follows: (1) The fat content of high-grade ice milk is 14%~ 16%, and the total solid content is 38%~42%. (2) ice milk is a medium-fat ice cream with a fat content of 10%~ 12% and a total solid content of 34%~38%. (3) Iced milk is a low-fat ice cream, with a fat content of 6%~8% and a total solid content of 32%~34%. According to the shape of ice cream, it is divided into (1) ice cream bricks. Ice cream bricks are brick-shaped, and ice cream is hardened by packaging it in cartons of different sizes. There are monochromatic, bicolor and tricolor, generally tricolor, with strawberry, vanilla and chocolate as the most common. (2) Cup-shaped ice cream is made by packaging ice cream in paper cups or plastic cups with different capacities and hardening. (3) Cone-shaped ice cream, which is made by packaging ice cream in cone-shaped containers with different capacities such as cones and hardening. (4) Special-shaped ice cream is made by injecting ice cream into a special-shaped mold for hardening, or extruding, cutting, shaping and hardening the special-shaped mold, such as doll ice cream. (5) Decorative ice cream, based on ice cream, with various cream patterns or characters embedded on it, which has decorative aesthetic feeling, such as ice cream cake. According to the different spices used, it can be divided into vanilla ice cream, chocolate ice cream, coffee ice cream and mint ice cream. Among them, vanilla ice cream is the most common, followed by chocolate ice cream. According to the added characteristic raw materials, it is classified as (1) nut ice cream. This ice cream contains crushed nuts, such as peanuts, walnuts, almonds, chestnuts and so on. The intake is 2%~6%, and the product name is usually named after the imported nuts. (2) Fruit ice cream contains fruit pieces, such as pineapple, strawberry, apple and cherry. , and then into the corresponding essence and pigment, and named after the fruit used. (3) pudding ice cream. This kind of ice cream contains many assorted fruits, chopped walnuts, raisins, preserves and so on. And some of them have added alcohol, which has a particularly strong taste. (4) Soybean milk ice cream is a newly developed variety in recent years, with various colors, such as walnut tofu ice cream and waxberry tofu ice cream.