Abstract: A portable combination chair includes a seat member having a back slot, a left slot and a right slot, a back supporting member having a left connecting wing and a right connecting wing protruded at the two bottom side thereof, a right arm resting member having a rear slot, and a left arm resting member also having a rear slot. The back supporting member is assembled with the left and right arm resting members by inserting the left and right connecting wings through the two rear slots of the left and right arm resting members respectively, in which the bottom side of each connecting wing has a connecting groove indented thereon for engaging with the two rear slots of the left and right arm resting members.