Select high-quality materials and corresponding ingredients. We all know that Chinese cabbage and a vegetable with big leaves and wide stems are the main raw materials for making sauerkraut. The raw materials we choose must have sufficient production cycle and good quality, and we can't make up for them with those rotten vegetables. Otherwise, it will affect the quality and taste of sauerkraut. Only high-quality raw materials can produce clean and hygienic sauerkraut. The process of making sauerkraut should be closely linked step by step, and the staff should wear clean and hygienic tools. Cleaning tools and sanitary tools, such as masks and gloves, should be used to connect each step. Ensure the sauerkraut is good, and don't have problems in the fermentation process and cause interference from other miscellaneous bacteria. Some miscellaneous bacteria will lead to a large increase in nitrite content in sauerkraut, which will make people poisoned if they eat it. The production cycle is almost the same, so be sure to consult a master. The period of making sauerkraut must be well controlled, neither too early nor too late. If it is too early, it may not taste good, and if it is too late, it may produce other substances harmful to the human body. You must consult an experienced master to make more hygienic and delicious sauerkraut. How to make clean and scientific sauerkraut? If you have any better comments, please leave a message in the comments section.