After the founding of the People's Republic of China on October 1, 1949, multiple administrative measures were taken to protect Chinese rights and interests in Nanhai Zhudao and the adjacent waters, including legislation, establishment of administrative office and patrolling for law enforcement.
On March 24, 1959, the Chinese government set up on Yongxing Dao the Office of Xisha Qundao, Nansha Qundao and Zhongsha Qundao.
China's Maritime Surveillance began in 2006 regular patrolling in the South China Sea for rights protection and law enforcement.
In the 1970s, fishing vessels from state-owned fishery companies of Guangxi began sailing to the waters of Nansha Qundao for fishing production.
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