The oceanic gas hydrate is considered to have great resource potential, therefore, some countries have put into the research on the oceanic gas hydrate trial production, and this research work is very active in recent years. This paper provides a comprehensive introduction of the research progress and achievements in oceanic gas hydrate trial production and summarizes the shortcomings of present oceanic gas hydrate mining ways and methods both in China and abroad. The conditionality by these shortcomings are listed, some opinions to realize the commercial exploitation of natural gas hydrate are put forward.