A cross rocking chair having a chair fabric, a seat frame assembly, a support frame assembly and connectors. The seat frame assembly has two cross tubes, two square seat frame armrest tubes and two backrest support tubes. A cushion and a backrest of the chair fabric are mounted at upper ends of the cross tubes and the backrest support tubes. The support frame assembly has two support frame units each having a support bottom tube. Rear ends of bottom tubes of the seat frame armrest tubes are bent upwards, and front ends of the bottom tubes are arranged on the support bottom tubes. Two ends of each connector are rotatably connected to the top of the bent rear end of the bottom tube of one seat frame armrest tube and the rear end of the corresponding support bottom tube.