A display screen support holder is provided, including a stand, a screen connecting base, and a constant force spring; wherein the screen connecting base is pivotally connected with the stand and configured to be connected with a display; after a display screen is mounted to the screen connecting base, a gravity center of combined gravity of the display screen and the screen connecting base is set to be deviated from a screen rotation center of the screen connecting base; two ends of the constant force spring include a moving end and a swinging end, the moving end is movably arranged on the stand, and the swinging end is swingably and pivotally connected with the screen connecting base. In the process of swinging of the display screen, the spring torque generated by the constant force spring and the screen torque are always kept equal in magnitude and opposite in direction.