This document provides guidance and suggestions on the basic principles, workflow, analysis and diagnosis, program design and program implementation of coral reef ecological restoration. This document is applicable to ecological restoration in the internal waters, territorial seas and other sea areas under the jurisdiction of the People's Republic of China, and can be used as a reference for other related work. The provisions in 6.1.1 of GB/T41339.1-2022 should be followed. 6.1.2 Main content