Not using trademarks means using trademarks on commodities, commodity packages or containers for commercial purposes; Used for services or service-related projects; Transaction documents for goods or services; Or the trademark is used in commercial activities such as advertisements and exhibitions of goods or services, which is enough to make the relevant public recognize its actual use as a symbol to distinguish the source of the goods or services. Therefore, the actor subjectively attached to the goodwill of the trademark owner, and only used part of the combined trademark, which was enough to confuse consumers and constituted trademark infringement.