1, shape and size: The shape and size of the national flag is one of the basic characteristics of the national flag. The national flags of most countries are rectangular or square, but some countries have triangles or other shapes. The size of the national flag usually varies according to the occasion or purpose of use, but generally speaking, the size of the national flag should conform to the standard proportion.

2. Color and pattern: The color and pattern of the national flag is another important feature of the national flag. The combination of different colors and patterns can represent the culture, history and tradition of a country. For example, red usually represents revolution, courage and sacrifice, while blue represents the sky, ocean or freedom.

3. Proportion and size: The proportion and size of the national flag are important features of the national flag. The proportion and size of national flags vary from country to country, but generally speaking, the length-width ratio of national flags should conform to the standard ratio. For example, the aspect ratio of the French flag is 3: 2, and that of the American flag is 1.9: 1.

4. Star symbol: The national flags of some countries will contain the star symbol, which usually represents an important historical event or cultural tradition of a country. For example, there are 50 stars on the American flag, representing 50 states.

The influence of the national flag:

National Flag of the People's Republic of China is a five-star red flag, a symbol and symbol of People's Republic of China (PRC). The designer of National Flag of the People's Republic of China is Zeng. The national flag is a red rectangle with a length and width of three to two, and there are five yellow five-pointed stars on the upper left. A star is larger, and its circumscribed circle diameter is three-tenths of the height of the flag, ranking on the left; The four stars are smaller, the diameter of the circumscribed circle is one tenth of the height of the flag, and the ring arch is on the right side of the big star.

China people * * * and the national flag began to collect national flag patterns from July 1949 to August 15. 1949 On August 20th, the National Flag and Emblem Selection Committee * * * received 2992 national flag designs (30 12).

1949 On September 27th, the delegates to the first plenary session of China People's Political Consultative Conference passed a motion with the five-star red flag as the national flag. On June 6th, the first national flag of China people was raised in Tiananmen Square for the first time.

The red flag of the people of China symbolizes the revolution. The five five-pointed stars on the national flag and their relationship symbolize the great unity of the revolutionary people under the leadership of the * * * Production Party. The five-pointed star is yellow, indicating the light on the red ground. Each of the four small five-pointed stars has a tip facing the center of the big star, indicating unity around a center.