The present invention relates to a nonaqueous electrolyte solution additive, a nonaqueous electrolyte solution for a lithium secondary battery containing the same, and a lithium secondary battery, andspecifically, by providing the nonaqueous electrolyte solution containing a compound capable of increasing the effect of forming an SEI film on surfaces of a positive electrode and a negative electrode to be able to maintain a passive effect, the high temperature storage characteristics and lifetime characteristics of the lithium secondary battery can be improved.