1. Publish relevant information: You can publish some articles, videos or reports on how to see through weight-loss advertisements in the group, popularize relevant knowledge to people in the group, and improve their vigilance against weight-loss advertisements.
2. Issue warning notices: You can issue some warning messages to warn people in the group not to believe these weight-loss advertisements and remind them not to buy these products. If there are relevant identification and survey results, you can also share them with the people in the group.
3. Guide to lose weight reasonably: You can encourage people in the group to lose weight through a healthy diet and moderate exercise, and provide corresponding weight loss suggestions and guidance.
Remind people in the group not to believe that weight-loss advertisements need efforts and guidance from all sides, and owners and their administrators need to play an active role to create a healthy, scientific and rational information dissemination atmosphere.