A test handler and a shutter for the test handler are provided to easily secure a space and to reduce the size by opening and closing an inlet or an outlet while moving a shutter member in a horizontal direction with respect to the surface where the inlet or outlet is formed. A test handler(40) is composed of a loading device loading a device loaded in a user tray to a test tray(600); a soak chamber(400A) preheating/precooling the device completely loaded in the test tray and having a receiving inlet(400a) formed at the front side to receive the test tray; a shutter(500) for opening and closing the receiving inlet of the soak chamber; a posture changing device gripping the test tray contained through the receiving inlet in the soak chamber and then changing the posture of the test tray; an input device inserting the test tray loaded by the loading device into the soak chamber through the receiving inlet; a test chamber(400B) testing the device loaded in the test tray supplied from the soak chamber; and an unloading device unloading the device completely tested in the test chamber to the user tray.
