Under the background of the rapid development of modern grain logistics, according to the basic connotation of storage management, taking a provincial grain depot as the research object, this paper analyzed its current situation of storage operation process from the aspects of warehousing operation, warehousing operation and outgoing operation, pointed out the problems existing in its storage operation process, and analyzed the causes of these problems. Therefore, the optimization schemes for a provincial grain depot operation process were put forward, such as perfecting warehousing operation process, updating and renovating warehouse facilities and equipment, and strengthening post skills training of stuff. We expected this paper can provide theoretical support for the improvement and optimization of grain storage process.