For example, one is about healthy eating, the other is about proper physical exercise and so on. Of course, it can also be the display of words and pictures with the same theme and different contents.
For example, one propaganda content is about the knowledge of nutritional balance in a healthy diet, and the other propaganda column is about the introduction of the homology of medicine and food in a healthy diet. You can also cooperate with the health department to prevent diseases every year and every quarter, and publicize them in the "health education bulletin board".