Abstract: Provided are a chair for movie watching capable of controlling a motion according to whether a user is seated and weight of a seated user, and a motion control method thereof. A chair for movie watching according to a first exemplary embodiment of the present disclosure includes: a chair main body; a motion generation unit configured to generate a motion to the chair main body according to contents of a currently shown movie; a pressure sensor unit configured to detect a pressure applied to the chair main body, and measure weight of a seated user; and a controller configured to control an operation of the motion generation unit according to a result of the detection by the pressure sensor unit and a result of the measurement of the weight by the pressure sensor unit.