It is not illegal to buy Maotai on the platform of JD.COM and then sell it to others to earn the difference. This is a means of business operation, but if you sell fake wine to others, this behavior has already constituted the crime of illegal business operation, and you need to bear corresponding legal responsibilities.

According to the criminal law, selling goods with counterfeit registered trademarks should be detained and fined. If the sales amount exceeds 250,000 yuan, which is relatively large, it shall be sentenced to fixed-term imprisonment of not more than three years.