North Korea's national flag has a red background and a white circle with a red five-pointed star in the middle. This national flag can be seen anywhere on the Korean peninsula. It represents the Korean working people and their government, and shows the firm belief and patriotism of the Korean people.

The red background on the national flag is considered as a symbol of red doctrine and patriotism. It represents the loyalty and patriotism of the Korean people, who are struggling for the prosperity of their country and homeland. Red also represents the revolutionary spirit and national independence consciousness, and is the main theme of North Korea.

The five stars on the national flag represent the basic concepts in Korean philosophy: people, revolution, unity, democracy and progress. It represents the beliefs and political goals of the Korean people and the basic principles of philosophy. The red color of the five-pointed star on the red background leads the national cultural style of North Korea and is the cultural symbol of North Korea.