Why is the local code red and the health code green?

When scanning the local code, the words local code are red but the health code is green, which is normal. The health code is green, indicating that it is normal and the code is passed.

1, the health code is green and normal.

2. Health codes are divided into green codes, red team codes and yellow codes, and each color represents a different meaning. You can only travel with a green code. If it is yellow code and red team, you need to keep punching in.

3. The "health code" is based on real data and can be generated by citizens or people who have returned to work through online declaration and background review.