1. The declaration conditions are different. Self-declaration of original name is applicable to trademark names that have no registered trademark, have not been registered or have been registered but are invalid, while self-declaration of name is aimed at enterprises that have registered trademarks and apply for new trademark names based on their registered trademark names after adjustment.

2. The application procedures are different. Self-declaration of the original name is to complete all the declaration procedures starting from the trademark-free name; The name is declared independently, and the enterprise already owns the trademark, so it only needs to submit an application, mainly the adjustment of the trademark name, and other application materials are not needed.