What characteristics does Mao Zedong think an oil painting with China style should include?

According to relevant information, Mao Zedong believes that oil painting with China style should include the following characteristics:

1, which reflects social reality and has distinct characteristics of the times;

2. Draw nutrition from China national culture and inherit the aesthetic characteristics of China traditional culture;

3. Take the people as the center, create for the people and carry forward the people's heroic spirit;

4. Emphasize the representation of characters, especially their facial expressions and body language;

5. Pay attention to the simplicity and strength of modeling, and pursue the harmony and unity of lines and colors.