Legal analysis: You can select the product category by querying and comparing the "Classification Table of Similar Trademarks and Services". The applicant for trademark registration shall fill in the product category and product name of the trademark in accordance with the prescribed product classification table, and submit an application for registration.

Legal basis: Article 22 of the Trademark Law of the People's Republic of China. Applicants for trademark registration shall fill in the product category and product name of the trademark in accordance with the prescribed product classification table, and submit an application for registration. . A trademark registration applicant can apply to register the same trademark for multiple categories of goods through one application. Trademark registration applications and other relevant documents can be submitted in writing or in the form of data messages.