Easy to identify and remember, infectious. Text marks should have the characteristics of easy calling, clear expression, good visual effect, easy identification and easy memory, which is convenient for identification. Graphic trademarks should be intuitive, artistic and infectious, not limited by language, and can leave a deep impression on people. Those that are identical with or similar to the national name, national flag, national emblem, military flag and medal of People's Republic of China (PRC) are prohibited from being used as trademarks.