Shiqian preserved eggs have been selected into the "Chinese Famous Cuisine Dictionary - Guizhou Volume", its egg white pine flowers are stacked, and the egg yolk presents dark green, grass green, brown, dark green and bright red and other five-color layers. In the early years, most of the preserved eggs were produced by private workshops. After the founding of the People's Republic of China, a company was established, and the quality of preserved eggs produced was more stable. Its products have been exported to the United States, Canada, Singapore, South Korea, Malaysia and other Southeast Asian countries. At present, the price of e-commerce channels is about 2-3 yuan each.