The invention discloses an adjustable accommodation ladder. The adjustable accommodation ladder comprises a control tower, a fixed channel, a telescoping accommodation ladder body and a landing device. The control tower is connected with one end of the fixed channel, and the other end of the fixed channel is connected with one end of the telescoping accommodation ladder body. The other end of the telescoping accommodation ladder body is connected with the landing device. The control tower is used for controlling the fixed channel and the telescoping accommodation ladder body to do pitching motion and controlling the telescoping accommodation ladder body to stretch and retract. The landing device is used for erecting the accommodation ladder body on a landing platform. The adjustable accommodation ladder can be adjusted, and the control tower can be used for controlling the fixed channel and the telescoping accommodation ladder body to do pitching motion; the channel length of the accommodation ladder can be adjusted through the telescoping accommodation ladder body; and stable erection of the accommodation ladder body and the landing platform can be achieved through the landing device.