Hermatypic coral has been widely used as proxy of environment factors because of its biological and ecological characteristics .Studies were focused on the paleoclimatic environment information records in the past. With the improved of sample analyse precision，coral skelecton has been more and more used in studies of modern tropical environment information, particularly in records of events which have given great impact on ocean environment. Results have proved that many trace elements in coral skelecton are good indicators in monitoring environment change and will be widely used in environment monitoring and studies in the future .At present， mechanism of coral physiology has not been completely proved up， more unfound details in coral micromechanism are the key of this field.In China, the study of multiform proxies of coral skelecton has been carry on, especially in Xisha Islands, Nansha Islands, Taiwan, Hainan, Xuwen and Weizhou Island.