1. Fake artworks: The so-called artworks on some platforms may be fake or forged, and buyers need to carefully identify the authenticity of the purchased artworks. 2. Illegal trading platforms: Some trading platforms may be illegal, involving black market transactions, and the trading proceeds may have legal risks. 3. Inaccurate estimation of the value of artworks: The price of artworks on the art trading platform may be inaccurate, and buyers need to know the historical value, market value and investment prospect of artworks. 4. Bad commercial fraud: Some businesses may cheat in the name of artists, make false works of art, and defraud buyers of money. 5. Handling fee trap: Some trading platforms may have a trap of charging high handling fees during the transaction. Buyers need to carefully check the relevant handling fee details and pay carefully.