Common train numbers include: G (high-speed EMU), D (CRH EMU), Z (direct express), T (express/fast train), K (ordinary fast train), Y (tourist train), C (intercity train), etc. Different numbers represent different train grades and speeds.

There are "Harmony" and "Fuxing". Harmony EMU is abbreviated as CRH EMU, which means "China High-speed Railway" in Chinese. It is the brand name established by China Railway Corporation for China's high-speed railway system. Fuxing EMU is abbreviated as CR EMU, which is the Chinese name for China's standard EMU. The level of CR train is higher than that of CRH series.

1. "T" (特) is a special luxury train operated by Shanghai Railway Bureau;

2. "D" (动) is a EMU train operated by Harbin Railway Bureau;

3. "S" (深) is a passenger express train operated by Guangzhou-Shenzhen Railway Company;

4. "G" (高) is a high-speed train on the Guangzhou-Shenzhen line (speed of 200 kilometers per hour);

5. "Z" (准) is a quasi-high-speed train on the Guangzhou-Shenzhen line (speed of 160 kilometers per hour);

6. "K" (快) is a fast train (speed of more than 120 kilometers per hour);

7. "Y" (游) is a tourist train running between big cities and tourist cities;

8. "L" (路) is a temporary passenger train added during the busy passenger traffic during the Spring Festival and summer vacation;

9. "X" (行) is a special train for transporting trains and parcels in a certain direction, and is also a passenger train. 10. "N" (内) - internal express train (same meaning as K, ordinary passengers do not need to distinguish them)