A stacker crane control system for controlling a stacker crane, the stacker crane including: a travel carriage configured to travel along a travel route; a mast supported on the travel carriage in an orientation along a vertical direction; a lift configured to move up and down within a predetermined lifting range along the mast; a lifting apparatus configured to raise and lower the lift; and a transfer apparatus supported by the lift and including a holding unit configured to hold an article, the stacker crane being configured to perform a transfer operation of transferring the article between the holding unit and a transfer destination, the stacker crane control system comprising: a sway detection unit configured to detect a reference swaying amount that is a swaying amount of the mast at a detection height, the detection height being set greater than or equal to the height of a lowermost part of the transfer apparatus when the lift is located at an upper limit of the lifting range; a lifting height acquiring unit configured to acquire lifting height information that indicates a lifting height, which is the height of the lift, at a plurality of points in time; and a transfer control unit configured to control the transfer apparatus, characterised in that, the transfer control unit converts the reference swaying amount detected by the sway detection unit into a lifting height swaying amount that is a swaying amount of the mast at the lifting height indicated by the lifting height information, and starts the transfer operation of the transfer apparatus if the lifting height swaying amount is stably smaller than or equal to a predetermined determination threshold (ΔX). a travel carriage configured to travel along a travel route; a mast supported on the travel carriage in an orientation along a vertical direction; a lift configured to move up and down within a predetermined lifting range along the mast; a lifting apparatus configured to raise and lower the lift; and a transfer apparatus supported by the lift and including a holding unit configured to hold an article, the stacker crane being configured to perform a transfer operation of transferring the article between the holding unit and a transfer destination, the stacker crane control system comprising: a sway detection unit configured to detect a reference swaying amount that is a swaying amount of the mast at a detection height, the detection height being set greater than or equal to the height of a lowermost part of the transfer apparatus when the lift is located at an upper limit of the lifting range; a lifting height acquiring unit configured to acquire lifting height information that indicates a lifting height, which is the height of the lift, at a plurality of points in time; and a transfer control unit configured to control the transfer apparatus, characterised in that, the transfer control unit converts the reference swaying amount detected by the sway detection unit into a lifting height swaying amount that is a swaying amount of the mast at the lifting height indicated by the lifting height information, and starts the transfer operation of the transfer apparatus if the lifting height swaying amount is stably smaller than or equal to a predetermined determination threshold (ΔX). a sway detection unit configured to detect a reference swaying amount that is a swaying amount of the mast at a detection height, the detection height being set greater than or equal to the height of a lowermost part of the transfer apparatus when the lift is located at an upper limit of the lifting range; a lifting height acquiring unit configured to acquire lifting height information that indicates a lifting height, which is the height of the lift, at a plurality of points in time; and a transfer control unit configured to control the transfer apparatus, characterised in that, the transfer control unit converts the reference swaying amount detected by the sway detection unit into a lifting height swaying amount that is a swaying amount of the mast at the lifting height indicated by the lifting height information, and starts the transfer operation of the transfer apparatus if the lifting height swaying amount is stably smaller than or equal to a predetermined determination threshold (ΔX).