Trademark is an important symbol of enterprises in market competition, which can be used to distinguish products or services of different enterprises. The composition of a trademark includes trademark name, trademark pattern, trademark color and other elements. Trademark name refers to words, letters, numbers, etc. Trademark design refers to the graphics, patterns, images, etc. contained in a trademark. Included in the trademark, and the trademark color refers to the color used in the trademark. The constituent elements of a trademark must be original, distinctive and recognizable, and cannot be confused with the trademark composition of others. The composition of trademarks does not include common names and common patterns. Generic names refer to the commonly used names of a class of products or services, such as "milk" and "bread", and cannot be used as trademarks. Ordinary patterns refer to patterns that are easily thought of or used by the general public, such as five-pointed stars and circles, and cannot be used as trademarks.