Officials should abide by the clean-governance rules, and violators must be punished strictly, Xi said.
Probes into senior corrupt officials, or "tigers", as President Xi Jinping put it, are likely to be enhanced in 2014 amid Party efforts to boost clean governance, analysts said.
Chinese President Xi Jinping vowed on Tuesday to maintain "high pressure" on corruption, warning this fight is vital for the Party's integrity in the long term.
From July to the end of October, auditors saved nearly 40 billion yuan ($6.6 billion) in public funds that were prone to waste or embezzlement, the National Audit Office said on Friday.
At least seven ministerial-level officials have been investigated by the top anti-corruption watchdog since last November.
Disciplinary supervision authorities punished 182,038 corrupt officials last year, an increase of 13.3 percent from 2012.
A former vice mayor of a south China city has been detained for allegedly taking bribes, local prosecutors said Friday.
The Communist Party of China's discipline watchdog hands over eight senior officials to court with 23 others still under investigation.
Premier Li Keqiang urged audit agencies on Thursday to play a major role in boosting clean governance and preventing financial risks.
An online game named "Beating Corruption", released through the micro blog account of People's Daily Online, has drawn mixed reviews from netizens since it was launched on Thursday.
Guo Youming, vice-governor of Central China's Hubei province, was removed from his post on Thursday at the 7th session of the Standing Committee of the 12th Provincial People's Congress.
Chinese Premier Li Keqiang has urged audit authorities to improve supervision over the use of public money, such as cash earmarked for enhancing people's livelihood.