An automatic pre-slaughter management system, comprising: a transport mechanism, a hanging mechanism, and a control room (16). The transport mechanism comprises a transport vehicle (1), and a transport case (4) for storing live pigs (9); the transport case (4) is provided with an openable side door (4.1) on a side; the hanging mechanism comprises a fixed load bearing frame (7), a hanging rod (8) horizontally fixed on the load bearing frame (7), and a hoist (3) for lifting the transport case (4); the hoist (3) is connected to a hoist driving mechanism which drives the hoist (3) to move back and forth on the hanging rod (8); the hoist (3) comprises a hook (3.1) for lifting the transport case (4) and a motor (3.2) which controls lifting and lowering of the hook (3.1); a weighing platform (2) and a resting region (6) are sequentially provided below the hanging rod (8); a spray device (5) is provided in the resting region (6); a lifting platform (10) and a gas stunning room (13) are provided next to the resting region (6); a lifting platform driving mechanism (12) which drives the lifting platform (10) to tilt toward the gas stunning room (13) is provided on one side of the lifting platform (10); a transport case fixing device (11) is provided on the lifting platform (10); a side door opening mechanism (14) for opening the side door (4.1) of the transport case is provided above the lifting platform (10); a control system is provided in the control room (16).