Multifunctional lower limb supporting adjustable device

The utility model discloses a multifunctional lower limb supporting adjustable device which comprises a base. The main bracket is used for supporting the lower limbs of the patient; the supporting rod is arranged on the base, is connected with the main bracket and the base and is used for raising the height of the main bracket; the auxiliary brackets are arranged on the main bracket, the number of the auxiliary brackets is at least two, the two auxiliary brackets are symmetrically arranged on the two sides of the main bracket, and the auxiliary brackets are connected with the main bracket in a sliding mode so as to prolong the supporting length of the main bracket; the adjusting assembly is arranged on the main bracket and used for driving the auxiliary bracket to slide; the auxiliary bracket and the adjusting assembly are arranged, the adjusting assembly drives the auxiliary bracket to slide relative to the main bracket, the supporting length of the main bracket is adjusted, the comfort degree of a patient i