If the health code is normal then it is not necessary, you can observe more local epidemic prevention requirements in Luoyang, call the Luoyang Epidemic Prevention Center to consult.

Health code is based on real data, by the public through their own online declaration, after the background audit, you can generate a two-dimensional code belonging to the individual. The two-dimensional code serves as an electronic credential for individuals to pass in and out of the local area, realizing one-time declaration and universal use in the city. The launch of the health code is designed to make the resumption of work and production more accurate, scientific and orderly.