A folding chair, comprising:
- a left support portion, a right support portion, a left load-bearing portion, a right load-bearing portion, a left handrail portion, a right handrail portion, a left back rest portion, a right back rest portion, a left front rotating portion, a right front rotating portion, a left rear rotating portion, a right rear rotating portion, a left front cross portion, a right front cross portion, a left rear cross portion, a right rear cross portion, a left engaging portion, a right engaging portion, a seat cushion portion and a back rest portion;
- wherein the left handrail portion is pivotally connected to the left support portion, with the left load-bearing portion disposed between the left handrail portion and the left support portion, the left back rest portion being pivotally connected to the left handrail portion, the right handrail portion being pivotally connected to the right support portion, the right load-bearing portion being disposed between the right handrail portion and the right support portion, the right back rest portion being pivotally connected to the right handrail portion, the left front rotating portion having an end pivotally connected to an end of the right front rotating portion, the left front rotating portion having another end pivotally connected to a front side of the left support portion, the right front rotating portion having another end pivotally connected to a front side of the right support portion, the left rear rotating portion having an end pivotally connected to an end of the right rear rotating portion, the left rear rotating portion having another end pivotally connected to a rear side of the left support portion, the right rear rotating portion having another end pivotally connected to a rear side of the right support portion, the left front cross portion having an end pivotally connected to the left load-bearing portion, the left front cross portion having another end pivotally connected between two ends of the right front rotating portion, the right front cross portion having an end pivotally connected to the right load-bearing portion, the right front cross portion having another end pivotally connected between two ends of the left front rotating portion, the left rear cross portion having an end pivotally connected to the left load-bearing portion, the left rear cross portion having another end pivotally connected between two ends of the right rear rotating portion, the right rear cross portion having an end pivotally connected to the right load-bearing portion, the right rear cross portion having another end pivotally connected between two ends of the left rear rotating portion, wherein a lower part of a side of the left engaging portion and a lower part of a side of the right engaging portion are pivotally connected to each other at a pivotal connection point to form an included angle greater than 180 degrees, wherein the upper part of the side of the left engaging portion and the upper part of the side of the right engaging portion are close to each other, the left engaging portion being pivotally connected between two ends of the left front cross portion and between two ends of the left rear cross portion, the right engaging portion being pivotally connected between two ends of the right front cross portion and between two ends of the right rear cross portion, the seat cushion portion being disposed between the left load-bearing portion and the right load-bearing portion, the back rest portion being disposed between the left back rest portion and the right back rest portion.