In August 2013，the mainland signed the 10^th supplementary agreement of CEPA with Hong Kong and Macao respectively. The agreement includes 65 measures on trade openness，and 8 measures on enhancing the financial cooperation and promoting the trade and investment facilitation，15 of which will be tried in Guangdong at first. Under the framework of the agreement，Guangzhou shall move forward to liberalize its service sector in three aspects：to make good use of the priority to try service opening-up in Guangdong，to gather experience for improving CEPA measures and formulating supporting policies；to deepen the reform of administrative approval institution，and to speed up the building of legislative and international business environment；to apply for Guangdong free trade area positively for the opening-up of service trade among Guangzhou，Hong Kong and Macao. Guangzhou shall insist in moving forward to liberalize service sector to Hong Kong and Macao，promoting the service trade development in opening up.