To provide a cabin equipped with a slide door capable of preventing the vibration of the slide door when opened.

The door 1 is provided in the side slidably backward and forward. A regulation part 41 regulating the vibration of the door 1 due to the opening operation of the door 1 in the rear position of the cabin is provided between the cabin side and the door 1 side where the door 1 is attached through opening/closing guides 24U, 24M, 24L in a plurality of upper and lower stages consisting of rollers and rails. The regulation part 41 consists of a rod 42, and a hole 52 in which the rod 42 is inserted by the backward slide of the door 1. It is further provided with a lock device 40 regulating the forward slide of the door 1 in the full open state of the door 1.