Abstract:Gypsum and halite resources are very rich in Dawenkou basin. The already found gypsum reserve is 1.5 x 103 t, and guessed ore amount is 450 x 108 t. Accompanying with development of national economy, consumer amount of gypsum products will increase greatly. It is predicated that gypsum needing amount will be 2.5 x 101 in 2010, while until 2000, workable reserve is 1.5 x 108 t. Thus, it is very necessary to strengthen the exploration work.