1. If the trademark of the self-employed hardware store is not registered, the trademark registration needs to submit a trademark application and pay relevant fees. In the process of trademark registration, the basic information of the supplier's target, the classification of the trademark and the design data of the trademark are needed.

2. After successful trademark registration, self-employed hardware stores use trademarks to protect their brand image and commercial interests, and use trademarks in product packaging, advertising and store identification.