Fruit juice (pulp, English: juice) and fruit juice drinks (products) can be subdivided into nine types: fruit juice, fruit pulp, concentrated fruit pulp, pulp drink, fruit juice drink, fruit juice drink thick pulp and fruit drink.

In China, the juice content of fruit and vegetable juice drinks should be no less than 10%, otherwise they will belong to other juice (pulp) and juice drinks (products). It is defined as a product made from fresh or frozen fruits through processing. Most of them use beating technology to process fruits or edible parts of fruits into unfermented but fermentable pulp, or add water equivalent to the natural water lost by concentrated pulp to make products with the color, flavor and soluble solid content of the original fruit pulp.

People drink fruit juice mostly because they think it is nutritious and delicious. Many people think that fruit juice can replace fruit, and drinking fruit juice can supplement nutrients (such as vitamin C) in fruit, especially for children who don't like fruit, or even completely replace drinking water. But fruit juice can't completely replace fruit.

Fruit juice retains a considerable amount of nutrients in fruit, such as vitamins, minerals, sugar and pectin in dietary fiber, and its taste is better than ordinary boiled water. Compared with water and carbonated drinks, fruit juice does have considerable advantages. However, most fruit juices are "delicious" because they are flavored with sugar, sweeteners, sour materials, spices and other ingredients.

Drinking a small amount of fruit juice properly for the elderly and children can help digestion, moisten the intestines and supplement the lack of nutrients in the diet. If adults can't ensure a reasonable diet, it is also a good way to supplement some nutrition by drinking fruit juice. Some people don't like drinking boiled water, and the sweet-smelling fruit juice can increase their drinking water and ensure their body's need for water, which is indeed a good thing.