Through the innovation and improvement of Chen Descendants, Hui chef Ma Baozai and others. The standard of Lanzhou beef noodles is "one clear (soup), two white (radish), three green (coriander, garlic sprout), four red (pepper) and Huang Wu (Huang Liang noodles)". In the next 200 years, it is famous for carrion, fresh soup and fine noodles.
After Ma Liuqi brought beef noodles to Lanzhou, it became famous all over the world, and Ma Liuqi contributed a lot to Lanzhou beef noodles. Chen Weilin, Chen Xiesheng and Chen Hesheng played a key role in perfecting and unifying the standards of Lanzhou beef noodles (one clear, two white, three red, four green and Huang Wu), and turned this street snack into popular food. Later, Ma Baozi changed from carrying a load to store management, laying the foundation for Lanzhou beef noodles to go nationwide.