To check the trademark registration status, you can use the following methods:

1. Check on the official website of the Trademark Registration Office: You can check the trademark on the official website of the State Intellectual Property Office .

2. Search in trademark databases: Some trademark databases include trademark information worldwide, and can be queried through trademark name, trademark registration number, trademark applicant and other information.

3. Consult professional organizations: Some professional organizations provide trademark search services and can help check the registration status of trademarks, such as law firms, intellectual property agencies, etc. These agencies can usually provide more professional and comprehensive inquiry services, but they need to pay a certain consulting fee.

It should be noted that trademark query requires accurate trademark name or trademark registration number and other information, otherwise query errors or inaccuracies may occur. In addition, trademark search results are for reference only and cannot replace legal advice or professional advice. If you need a deeper understanding of your trademark registration or need legal advice, please consult a professional lawyer or intellectual property agent.