Different washing machines can be selected according to the different requirements of the users. The general washing machine is divided into bubble cleaning machine, brush roller cleaning machine, spray bubble cleaning machine, ozone cleaning machine, vegetable cleaning machine, fruit and vegetable cleaning machine, high pressure spray cleaning machine and so on. Vegetables are divided into rhizome and leafy vegetables, the rhizome vegetable to use brush roller cleaning machine, mainly suitable for potatoes, carrots, sweet potatoes, taro, lotus root, konjac, mustard, fruit, jujube, shellfish, seafood and so on. The leaf vegetables to select bubble spray cleaning machine, mainly used in oilseed rape, Chinese cabbage, cabbage, chili, cucumber, Bamboo shoot, wild vegetable, chrysanthemum, Auricularia, yellow flower, sesame leaf, lotus leaf, vegetable, Tianqi, dandelion, ginseng vegetable, silk gourd tip, lentil, four season beans, onion, ginger and so on. To clean vegetables by bubbling, cleaning process does not damage vegetable skin, cleaning effect is good. At the same time, there are many rows of spray heads at the discharge hole, which can carry out two effective cleaning for vegetables.