The picture shows 1873- 1890 Huanglong Banner, the first national flag officially established in China. Cixi asked Li Hongzhang to design patterns. After collecting and screening in many ways, Li Hongzhang put forward various schemes for Empress Dowager Cixi, such as Bagua Banner, Huanglong Banner, Qilin Banner and Tiger Leopard Banner, and finally decided to use Huanglong Banner as the flag of the Great Qing Dynasty.

The picture shows 19 12-1928, the five-color national flag of the Republic of China, and the Nanjing Provisional Government of the Republic of China was established 19 12 1.

The picture shows the national flags of the Republic of China 1928-1949 and 1928. After the success of the Northern Expedition of the Kuomintang, the red flag in the sky became the national flag of the Republic of China.

The picture shows1949-the national flag of the people of China.