At present, there is no unified national standard for clean vegetables. The following are the product standards for clean vegetables determined by some places and people: 1. The inedible parts of vegetables, such as rotten leaves and yellow leaves, inedible roots and whiskers, have been removed.

2. The pesticide residue is lower than the national standard, for example, if the enemy kills less than .2 mg per kg, the metronidazole is less than 1 mg per kg.

3. After preliminary disinfection, there is no pathogenic bacteria, and the total number of bacteria is less than 15,/g..

4, prevent re-pollution, and have a certain shelf life.

In February, 29, 16 standards of "Eight Nothing and Eight Nothing" were determined in Wuhan, and it is planned to promote clean vegetables in supermarkets and markets in the whole city:

Eight Nothing: no pesticide residue exceeding the standard, no heavy metal residue exceeding the standard, no nitrite residue exceeding the standard, no other pollution, no old leaves in green gang, no sediment, no sundries, and no roots in stem and leaf vegetables;

there are eight things: production standards, production and sales records, quality inspection, product packaging, harvest and shelf life dates, registered trademarks, edible instructions and cold chain storage and transportation.

In addition, clean vegetables, represented by Yangling Agricultural Science City, have become popular in Shaanxi and other provinces. There are dozens of clean vegetables from Yangling Agricultural Science City, large and small. Among them, the high-quality quality of clean vegetables companies such as Yangling Dakang Clean Vegetables Company: high-grade tray film-coated packaging, the introduction of foreign vegetable seeds, the combination of traditional manual technology and current technology, make clean vegetables convenient, hygienic and green, which makes consumers more reliable.