Zhitong thinks it is necessary for Greater Bay Area to deepen budget performance management. Guangdong-Hong Kong-Macao Greater Bay Area is one of the regions with the highest degree of openness and the strongest economic vitality in China, attracting global capital, information, technology and talents. Rooted in Greater Bay Area 15 years, Tong Tong felt the pulse of the new era. Based on five service lines, combined with hot topics such as Greater Bay Area's capital market, state-owned enterprise reform, digital transformation, green finance, Bay Area taxation, mergers and acquisitions, and capital market interconnection, this paper discusses the new perspective, new enlightenment and new path of Greater Bay Area's innovation and development, and writes a series of articles. The article writes that deepening budget performance management can not only help the government optimize the allocation of resources, but also encourage the government to reform and innovate, which is more conducive to improving the transparency and credibility of the government.