Portable color Doppler ultrasound imaging system and control method thereof

The invention discloses a portable color Doppler ultrasound imaging system and a control method thereof. The portable color Doppler ultrasound imaging system comprises a display assembly, a control panel, a supporting piece, a position detection assembly and a control mainboard. The control panel is provided with control keys. One end of the supporting piece is connected with the display assembly,the other end of the supporting piece is connected with the control panel so that the display assembly can be supported on the side, provided with the control keys, of the control panel, the supporting piece is rotationally connected with the control panel, and the supporting piece drives the display assembly to move when rotating relative to the control panel. The position detection assembly isused for detecting the position of the display assembly. And the control mainboard is connected with the position detection assembly and the display assembly, and the control mainboard controls the display assembly to display