1. Geographical Beauty: As a carrier, the map shows the geographical features and the beauty of the landscape in China. Painting can highlight mountains and rivers, lakes and oceans, natural scenery and so on, and show the charm of China's nature.

2. Cultural Heritage: The paintings on the map highlight the historical sites, ancient buildings and cultural symbols in China. This includes the Great Wall, the Forbidden City, Old Town of Lijiang and other landmark buildings and places, as well as related traditional cultural elements.

3. Diversity and unity: China is a vast country with many different landforms and national cultures. Through the paintings on the map, we can show the unique customs of China and emphasize the unity and diversity of China as a whole.

4. Tourism promotion: This kind of works can also be used as a means of tourism promotion to attract people to travel around China and experience the beauty and uniqueness of China.