Monument to the People’s Heroes with height 37.94 meters and covers an area of 3000 square meters is located right in the middle of Tiananmen Square about 463 to the south of Tiananmen Gate. Its magnificent look as well as the solemnity has both signified the unique cultural style of Chinese people. The Monument was built in memory of the heroes who sacrificed their lives for the revolutionary struggles of the Chinese people during the 19th and 20th centuries in accordance with the resolution of the First Plenary Session of the Chinese People's Political Consultative Conference adopted on November 30, 1949.
The Monument to the People’s Heroes is designed in the shape of square and was divided into three parts which are the tablet, pedestal and platform. The Platform which consists of two levels is surrounded by railings made by white marble. The monument weighs over 10,000 metric tons and contains about 17,000 pieces of marble and granite from Qingdao, Shandong Province and Fangshan District outside Beijing.
There are eight huge bas-relieves carving of white marble on the pedestal of the tablet that covering the revolutionary episodes, which are depictions of Chinese struggle from the First Opium War in 1840 to the founding of the People's Republic in 1949. These relieves can be read in chronological order in a clockwise direction from the east:

1. Burning opium in the Opium War in 1840.
2. The Jintian Village Uprising in Taiping Revolution in 1851
3. Wuchang Uprising (1911 Revolution)
4. May 4th Movement in 1919
5. May 30 Movement in 1925
6. Nanchang Uprising in 1927
7. War of Resistance against Japan between 1931 and 1945
8. Crossing the Yangtze River Campaign, or Successful Crossing of the Yangtze River in 1949

Besides that, there is an inscription in Mao Zedong's handwriting, which sounds "Eternal glory to the people's heroes!" on the front of the monument as well. Moreover, there is a message which was drafted by Mao Zedong and written by Zhou Enlai on the back of the monument.
The message sound this way:

Eternal glory to the heroes of the people who sacrificed their lives in the people's war of liberation and the people's revolution in the past three years!
Eternal glory to the heroes of the people who sacrificed their lives in the people's war of liberation and the people's revolution in the past thirty years!
Eternal glory to the heroes of the people who sacrificed their lives in the many struggles against domestic and foreign enemies and for national independence and the freedom and well-being of the people ever since 1840!

(Note: the "past three years" refers roughly to the Chinese Liberation War (1946-1949); the "past thirty years" refers to the New Democratic Revolution from the May Fourth Movement in 1919 to the end of the revolution in 1949; and "from 1840" refers to the general struggle of the Chinese people against the various external and internal strife engulfing China from the beginning of the Opium Wars to the establishment of the People's Republic of China.)