Provided is a method for detecting stored data and device, a storage medium and an electronic device. The method includes: the first check information of first data stored in a memory in the current period is determined; the first check information is compared with second check information to obtain a check result, wherein the second check information is check information of second data stored in the memory in a period prior to the current period; and the correctness of storage of the second data is detected according to the check result.