The invention relates to the field of building decoration, in particular to an umbrella-shaped adjustable hoisting structure and an umbrella-shaped adjustable hoisting assembly. The umbrella-shaped adjustable hoisting assembly comprises angle steel, an adjusting piece and the umbrella-shaped adjustable hoisting structure. The umbrella-shaped adjustable hoisting structure comprises a lead screw, afirst fixing piece, a second fixing piece, a ring buckle and a keel hanger. The first fixing piece, the ring buckle and the second fixing piece are arranged at the lead screw in sequence in a sleevedmode. The first fixing piece comprises a first connecting ring and at least two first wing parts. The first connecting ring is arranged at the lead screw in a sleeved mode. The at least two first wingparts are connected to the first connecting ring, and distributed in the circumferential direction of the first connecting ring. A first hanger gap is formed between the every two adjacent first wingparts. The keel hanger is rotatably connected to the ring buckle, and can slide into the position between the first hanger gaps. The umbrella-shaped adjustable hoisting structure can flexibly adjustthe shape and height of the hoisting assembly, and the difficulty of installation is reduced.