AUTOMATIC TRANSMISSION CONTROL DEVICE

An automatic transmission control device mounted on a hybrid vehicle 1 including an engine 2, a motor 4, a transmission 3 that changes a speed of rotation of the engine and transmits the rotation to a drive shaft 11, and a clutch 31 that releases or connects power transmission between the engine and the drive shaft, wherein the automatic transmission control device includes a control unit 8 that, in a clutch releasing process during a speed change of the transmission, changes a releasing speed of the clutch and causes the motor 4 to output a speed-change assist torque, at a timing according to an output state of torque of the motor at a start of the speed change of the transmission.