A director's chair comprises outer frames, connecting units, seat supporting units and back supporting units. The outer frame in square shape comprises with a pair of horizontal units and a pair of vertical units. A seat-supporting-unit connected piece setting under the top right angle of the horizontal unit. A stopper is set inside of each front and rear vertical unit. The connecting units which are pivotally crisscrossed with each other form an arc-shaped and an up-side-down arc-shaped connecting structure. The front protruding end of the seat supporting unit is curved. The back supporting unit comprises a supporting unit and a fitting seat wherein a concave is inside and a movable piece is at the bottom of the fitting seat.