Because the mangoes on the roadside are all green mangoes, they are generally small in size, thick in peel, large in stone and sour in taste. Moreover, mangoes on the roadside are polluted by waste gas for a long time, which will produce a lot of harmful substances, so mangoes on the roadside cannot be eaten. Mango is one of the famous tropical fruits. Mango fruit contains sugar, protein and crude fiber. The precursor carotene content of vitamin A contained in mango is extremely high, which is rare among all fruits. Secondly, the content of vitamin C is not low. Minerals, protein, fat, sugar, etc. It is also its main nutritional component. Can be used to make fruit juice, jam, canned food, pickled food, hot and sour kimchi, mango milk powder, candied fruit, etc.