The invention discloses a method and a system for renting an intelligent parking spot lock. The method specifically comprises the following links: releasing parking spot rental, releasing parking spotleasing, matching a car rental agreement and cancelling car rental, wherein cancelling car rental comprises the following steps: location information of a car bound by the intelligent parking spot lock is acquired in real time, and the location information of the intelligent parking spot lock is acquired; whether the distance between the location information of the intelligent parking spot lock and the location information of the car bound is greater than a preset value is determined, if not, the car rental information is automatically cancelled immediately, and then cancellation informationis sent to a mobile phone of a temporary car owner; whether the parking time of the temporary car owner is greater than a preset threshold is detected, if yes, a car rental user arrives at a destination through navigation according to an address of the intelligent parking spot lock in the information of a parking spot to be rented in advance, and then enters in a carport, and if not, the information is sent to a mobile client, and the user waits for the end of the rental according to the information sent. By adopting the method and the system, the problem that a user can be helped to find a suitable parking spot when the user temporarily cancels the car rental is solved in real time.