Is it illegal to buy a high imitation ice key chain?

Buying is not illegal.

As the mascot of the Winter Olympics, Bingdundun Keychain is an Olympic licensed commodity, which is different from ordinary commodities. Production, sales and import and export channels must be specially licensed. It is still recommended not to buy fakes.

The mascot "Ice Shield" is an important property of BOCOG. BOCOG enjoys the copyright of the image of "Ice Shield", the exclusive right to use registered trademarks and the patent right to design, and the exclusive right to use registered trademarks of the Chinese and English names of "Ice Shield" according to law. Therefore, anyone who uses the image or name of "Ice Shield" shall abide by People's Republic of China (PRC) Copyright Law, People's Republic of China (PRC) Trademark Law, People's Republic of China (PRC) Patent Law (hereinafter referred to as Copyright Law, Trademark Law and Patent Law) and other relevant laws and regulations. As a work of art, the copyright of the image of "Ice Shield" is protected by law. Without the permission of BOCOG, no other unit or individual is allowed to use this work, nor is it allowed to distort or tamper with the image of "Ice Shield". Similarly, BOCOG's exclusive right to use registered trademarks and design patents for the image and name of "Ice Shield" are also protected by law. BOCOG has the right to investigate the legal responsibility of the infringer for illegal use.