Indium is one of dispersed elements. On the basic of analyzes of the consumption and production structure on indium, the reasons of the indium price variation are discussed. The indium market is divided into three sections, and according to the application features of indium, it is predicted that the commercial need for indium is still great, the price has the possibility to rise back. Taking Dachang tin-polymetallic deposit as an example, the characteristics of indium associated deposits and indium resources in China are analyzed, and the dispersed elements researching status is discussed, and the suggestions how to transform the resource advantage to the economic superiority are gave.