Stabilizing support for floor cast-in-place formwork supporting vertical rod

The utility model discloses a floor cast-in-place formwork supporting vertical rod stabilizing support which comprises a supporting sleeve, the supporting sleeve is connected with a formwork supporting vertical rod in a sleeved mode, the supporting sleeve is connected with a universal supporting seat, the universal supporting seat comprises a supporting column, the upper end of the supporting column is connected with the supporting sleeve in a threaded mode, and the lower end of the supporting column is an arc sphere. The diameter of the arc ball is larger than that of the supporting column, the arc ball is arranged in a ball socket in a sitting and lying mode, the ball socket is arranged in the center of the upper surface of a flat plate, an anti-skid layer is arranged on the lower surface of the flat plate, and distance-adjustable connection between the supporting sleeve and the supporting column is formed through threaded connection between the supporting sleeve and the supporting column. The arc ball body