1. Open Tianyancha. Tianyancha supports fuzzy search. After logging in, you can search for your name in the search box on the homepage. You can see your personal profile, as well as information such as company legal persons, shareholders, executives, etc.; 2. You can also click Scan in the upper left corner of the homepage and choose to scan the business card. The person's name and company name will be automatically recognized and the search results will be found. In addition, Tianyancha also provides services such as trademark registration, copyright protection, and online lawyers. ;