National Flag and National Emblem represent national sovereignty and symbolize national dignity.
National Flag of China
National Flag of China is red flag with five stars.
Red: To symbolize revolution
Five stars and their relationships: To symbolize great union of revolutionary people under leadership of Communist Party of China
Each of four small stars has sharp angle right against center of big star: To represent all hearts of millions of the people toward great Communist Party of China
National Emblem of China
In center of National Emblem: Tiananmen illuminated by five stars
Around National Emblem: ears of grain and a cogwheel
A cogwheel and ears of grain: to symbolize the alliance of workers and peasants
Tiananmen: To represent victory of new democratic revolution and birth of PRC
Five stars: To represent great unity of Chinese people