The invention belongs to the field of microorganisms, and particularly relates to a glutamic acid corynebacterium and a construction method and application of the glutamic acid corynebacterium. The glutamic acid corynebacterium has the capability of producing L-lysine, and the activities of pyruvic carboxylase exportin and pyruvic carboxylase in a cell are both strengthened. The glutamic acid corynebacterium strengthens the activity of the pyruvic carboxylase exportin, so that the accumulation of the L-lysine is promoted, the yield of the L-lysine is increased, the activity of pyruvic carboxylase is strengthened at the same time, more precursors are provided for the synthesis of the L-lysine, the accumulation capability of the L-lysine is further improved, the amount of the L-lysine in a culture medium is increased, and the capability of production of the L-lysine through the fermentation of the strain is further improved. The experiment shows that the glutamic acid corynebacterium is a strain with high yield of L-lysine, the L-lysine is effectively accumulated, the yield of the L-lysine is improved, and a foundation is laid for the industrialized production of the L-lysine.