The application relates to a memory defect detection method, a memory defect detection device and a computer readable storage medium. The memory defect detection method comprises the following steps: writing first data to a target
memory cell array; opening a word line of the target
memory cell when a
bit line voltage of the target
memory cell is at a target
voltage after being pulled up or pulled down, so as to store data opposite to the first data in the target memory
cell, and the storage time of the target memory
cell is a preset time; closing the word line of the target memory
cell; reading second data stored in the target memory cell; judging whether the first data and the second data are consistent; and when the first data and the second data are consistent, determining that the target memory cell has a defect causing storage failure within the preset time. The embodiment of the application can effectively improve the defect detection capability.