At present, there are three principles for obtaining the exclusive right to use a trademark in the world: ① the principle of use refers to determining the ownership of the trademark right according to the objective facts of trademark use and determining the effective scope of the trademark right according to the time of use; (2) The principle of registration means that registration is the basis for obtaining the trademark right, and the trademark right is obtained by the first applicant for trademark registration; (3) The mixing principle is a compromise between the above two principles.