A battery module fixture applicable to a battery module having a first positioning portion is disclosed. The battery module fixture includes a base and a spring member. The base includes a second positioning portion having a first end for engaging with the first positioning portion, and a second end connected to the first end capable of being fixed to the first positioning portion. The spring member is capable of being fixed to the base, and includes a third positioning portion corresponding to the first end of the second positioning portion of the base, and a actuating portion for moving along with the third positioning portion, so as to break the third positioning portion away from the first end.