The invention discloses a novel sunshade umbrella base device, which comprises a base body (1) and an inner hollow through cavity (2) formed in the base body (1), wherein the left side of the inner hollow through cavity (2) communicates and connects with an umbrella handle insertion cavity (3); the right side of the inner hollow through cavity (2) communicates and connects with an umbrella handle connecting groove (4); a sunshade umbrella device is arranged in the umbrella handle insertion cavity (3) in a slide-in mode; the sunshade umbrella device comprises a sunshade umbrella handle (5) and a sunshade umbrella body (53) fixedly arranged at the left side of the sunshade umbrella handle (5); the sunshade umbrella handle (5) and the sunshade umbrella insertion cavity (3) are glidingly matched; an inclined surface (55) is arranged at the outer side of the right end of the sunshade umbrella handle (5); the right end of the sunshade umbrella handle (5) is used for sliding in the umbrella handle connecting groove (4) for matching; and a directional ring (52) is arranged at one end, near the sunshade umbrella body (53), on the sunshade umbrella handle (5).