The former member of the Communist Party was once considered the leader of the top leadership, the BBC said.
Sun is one of China's top leaders who have collapsed in the anti-corruption campaign of China's President Xi Jinping.
He has been accused of taking bribe more than $ 2.6 million.
The former 54-year-old leader of the Chongqing Communist Party accepted the charges brought against him in April.
China's state-run news agency Xinhua has said that "illegally acquired wealth" will be seized.
Since taking over the president's office, President Shi has launched an operation to control the widely spread corruption in China. Since then, more than a million officers have been punished in the operation, the BBC said.
However, critics say President Shi is using the campaign against anti-corruption campaigners to challenge the political opponents and their position as president.