Large phosphorus ore reserves in China. It ranks fourth in the world, but it has less rich ore, more ore and more minerals, and the grade is generally low. Therefore, it is necessary to strengthen the treatment of low-grade ore. In this paper, the selection of phosphate ore is elaborated, and the selection methods for treating phosphate ore are introduced: flotation method, magnetic separation method, re-election method, roasting digestion method, photoelectric sorting technology, chemical beneficiation method, etc. New agents, new methods, and available selection criteria for these processes are also discussed. Biodegradable Polymailers,Courier Bag,Biodegradable Eco Friendly Packaging Bags,Waterproof Mailing Bags Dongguan Pasike Packaging Co., Ltd. , https://www.pasikepackaging.com