To help humanity improve their health and better understand the placebo effect. If over-the-counter drugs work better than placebos, they will not be allowed to enter the market. The scientist should follow the key points to achieve a positive effect of the placebo effect. There are many limitations to the placebo effect, but to improve humanity's understanding of the placebo effect there should be more research and studies on the placebo effect in accordance with modern medicine, it will be of great benefit to society in the long run