The utility model discloses a foldable umbrella tricycle that comprises a pair of handgrips, a pair of rear supports hinged with this pair of the handgrips, a pair of front supports hinged with this pair of the handgrips, and a front support connection member connected with the lower end of this pair of the front supports; a lock component is arranged on the lower end of each handgrip; the lock component is composed of a first end that can slide on the lower end and a second end provided with a clamp hole therein; the front support connection member is provided with a front wheel support part and two lateral pipes that are hinged with both sides of the front wheel support part; when the top of this pair of the front supports fits with the the lower ends of this pair of the handgrips, a clamp hole on the second end of the lock component can correspond with the top end embedded into the front support, so that this pair of the front supports can be locked on this pair of the handgrip locks; besides, after the lock component moves upward to release the lock between this pair of the handgrips and the front supports, this pair of the front supports and the two lateral pipes can be shrinked against the front wheel support parts, or hinged to rotate outward, so as to fulfill the effect of folding to lower the storage volume.