On e-commerce platforms, merchants may resort to unethical or illegal means to improve product reviews and increase sales, although these practices are not recommended and may lead to serious consequences. The following are some common practices, but please note that these practices violate platform policies and may involve legal risks and loss of reputation: 1. **Fake reviews**: Hiring online trolls or using fake accounts to submit fake reviews. 2. **Buying and selling good reviews**: Using financial incentives, such as discounts or cash back, to encourage consumers to leave positive reviews. 3. **Fake orders**: Fake transactions of orders through manual or software methods to increase product sales and ratings. 4. **Review manipulation**: Deleting negative reviews or using the platform's complaint mechanism to suppress unfavorable reviews. 5. **Using social media**: Promoting and promoting products through social media to gain more attention and good reviews, thereby influencing the decisions of potential buyers. 6. **Creating fake accounts**: Using multiple fake accounts to leave good reviews for your own products. The above practices are extremely harmful to the long-term development of merchants and may lead to being banned by the platform or even legal liability. Merchants are advised to gain positive reviews by improving product quality, optimizing services and providing real customer feedback, so as to establish a good reputation in the market.