Abstract: Based on the complex network model built in line with the relevant theory,the paper has calculated such indicators as degree,weighted degree,clustering coefficient and modularity,etc.using international trade data of lithium hydrate from 2005 to 2014in UN comtrade database.The analysis shows that China has been in stable trade relations with some countries,making it ranking third in terms of the number of the trading partners,and the second lagrgest country in the world for lithium hydrate trading.China plays an very important role in the community with its close ties with its trading partners,and enjoys high standing in the whole complex network.