According to the provisions of the Trademark Law, any visible mark that can distinguish the goods of a natural person, legal person or other organization from the goods of others, including words, graphics, letters, numbers, three-dimensional signs and Color combinations, as well as combinations of the above elements, can be applied for registration with the Trademark Office as trademarks. A three-dimensional trademark refers to a trademark consisting of a three-dimensional mark or a three-dimensional mark containing other marks. A three-dimensional trademark can be the shape of the product itself, the packaging of the product, or other three-dimensional marks. When applying for registration of a three-dimensional trademark, the applicant shall state this in the application. If it is not declared, it will be regarded as a two-dimensional trademark. According to the provisions of the "Trademark Examination Standards", when applying for registration of a three-dimensional trademark, the applicant shall submit a trademark drawing that can determine the three-dimensional shape. If multiple views need to be submitted, they should be placed on the same trademark drawing, and no more than 6 views should be submitted. The length or width of the trademark pattern shall not be greater than 10 cm and not less than 5 cm.