1. The chopping boards in China are generally of log color, while those in western food are divided into cyan, yellow, blue, red and white. Use chopping boards with different colors to treat vegetables, poultry, seafood, pork, cattle, sheep and ready-to-eat food respectively, so as to cut off the possibility of food pollution from the source and ensure food safety.

2. The red chopping board is used to cut raw animal meat, such as cattle, sheep and pigs; Yellow chopping board is used to cut raw poultry meat, such as chicken, duck, goose and pigeon; Blue chopping board is used to cut water and seafood, such as fish, shrimp and crab; The green chopping board is used to cut vegetables or fruits; White chopping boards are used to cut ready-to-eat and cooked meat or dairy products.

3. However, there are some differences in the use of cutting board color in each country, but in general it is the color of this species. Color is only the principle that raw and cooked food can be easily distinguished, which can prevent different kinds of ingredients from smelling, and some people are prone to different food allergies, thus avoiding guests from being infected because of unclean washing.