MEDALS have a variety of functions in different occasions and cultural contexts, which can be summarized in the following main aspects:

1. ** Symbol of Honor ** :
MEDALS are one of the most common forms of recognition for outstanding achievements by individuals or groups. For example, in sports events, gold, silver and bronze MEDALS are awarded to the champion, second and third place respectively; In the academic field, specific MEDALS may be used to reward scientific achievements or academic contributions.

2. ** Commemorative Value ** :
- MEDALS for specific events or festivals often have a strong commemorative significance, such as those awarded by international events such as the Olympic Games and World Expo, which record historical moments and become precious memory carriers for participants.

3. ** Motivation ** :
- Setting up MEDALS as a reward mechanism in various competitions can greatly stimulate the morale and motivation of participants to pursue excellence, and encourage them to challenge their limits and strive for better results.

4. ** Identification ** :
- Certain industries or organizations recognize members' professional status or rank by awarding MEDALS in professional fields, which helps to enhance an individual's professional pride and sense of social identity.

5. ** Cultural Exchange ** :
- Medal design usually incorporates the cultural characteristics of the host place and becomes a cross-cultural communication medium. It not only showcases local customs and artistic styles, but also promotes mutual understanding and friendship between different countries and regions.

6. ** Economic and Collection value ** :
- MEDALS that are limited edition or created by famous designers may have a high market value and become highly sought after by collectors. At the same time, for certain MEDALS made of rare materials (such as gold and silver), the material itself gives them a certain economic value.

7. ** Social Capital ** :
Winning MEDALS in important awards can increase one's prestige and influence in social circles and become one of the effective ways to demonstrate one's abilities and achievements.

To sum up, MEDALS are not just a simple item, they play multiple roles in social life, from personal honor to cultural transmission, all of which play a positive role.