On May 9, 2018, the Intermediate People's Court of Hulunbeier City, Inner Mongolia Autonomous Region opened a public trial of the first instance to hear the bribery case of Sun Huaishan, former member of the Standing Committee of the National Committee of the Chinese People's Political Consultative Conference and former director of the Hong Kong, Macao, Taiwan and Overseas Chinese Committee.

The People's Procuratorate of Hulunbeier City, Inner Mongolia Autonomous Region filed a lawsuit alleging that from 1994 to 2016, the defendant Sun Huaishan took advantage of his position as Director of the Central Office of the Communist Youth League, Deputy Secretary-General of the National Committee of the Chinese People's Political Consultative Conference, Standing Committee Member, and Member of the Central Committee of the Communist Party of China.Provide assistance to relevant units and individuals in obtaining land use rights, business operations, project approval, job promotion and other matters.From 2000 to 2016, Sun Huaishan directly or through his family illegally received property from others, totaling more than 39.75 million yuan.

During the trial, the public prosecution agency presented relevant evidence, Sun Huaishan and his defenders cross-examined evidence, the prosecution and the defense fully expressed their opinions under the auspices of the court, Sun Huaishan also made a final statement, and pleaded guilty and repented in court.More than 60 people from the whole country, the Inner Mongolia Autonomous Region and Hulunbuir City's third-level people's congresses, members of the Chinese People's Political Consultative Conference, journalists and people from all walks of life attended the trial.

In June last year, the Central Commission for Discipline Inspection announced that Sun Huaishan was double-opened. After investigation, Sun Huaishan seriously violated political discipline and rules, made false comments on the Party Central Committee’s major policies, organized gangs, and resisted organizational review; violated the spirit of the eight central regulations and accepted public funds in violation of regulations.Banquets, arranging public funds from relevant units to receive family members for travel; violating integrity and discipline, accepting gifts and gifts, and using power and position influence to seek benefits for their son's business activities.Taking advantage of the convenience of his position to seek benefits for others and accept property is suspected of accepting bribes. As a member of the Central Committee, Sun Huaishan was politically disloyal to the party, economically greedy, seriously violated the party's discipline, and was suspected of accepting bribes, which was of a bad nature and serious circumstances.