Prefabricated vegetables must be disinfected one week after they are produced. According to the relevant information inquired, prefabricated vegetables are fresh vegetables that have been cut, cleaned and disinfected, also known as semi-finished vegetables, ready-to-eat vegetables and prefabricated vegetables. They are made into a fresh vegetable, which can be directly cooked by sorting them in a sterile environment and ensuring the preservation of the box. Because fruits and vegetables come directly from the fields without heat treatment or any other processing, it is extremely important to wash them with safe disinfection products.