Legal analysis: The signs that cannot be used as trademarks are: 1. Only the common name, figure and model of the goods, or the signs that directly indicate the quality, main raw materials and functions of the goods; 2. Lack of distinctive signs; 3. It is marked by ethnic discrimination and gender discrimination; 4. It shall not be used as other marks of trademarks.

legal basis: article 32 of the trademark law of the people's Republic of China shall not damage the existing prior rights of others, nor shall it preempt the registration of trademarks that have been used by others and have certain influence by unfair means.