The structure of an agricultural auxiliary support frame comprises a solid or hollow polygonal metal support tube and a protection tube disposed on the outer layer of the support tube, wherein the support tube is used as a main support structure, and the protection tube is used for the support tube Isolated from the outside air; this creation is tied to the crop by ropes or iron wires, so that the crop can withstand strong winds without being blown off by the waist, and this creation has a longer service life than the common bamboo support frame. And better structural strength.一種農業用輔助支撐架之結構,係包含有實心或是空心的多邊型金屬支撐管以及設置於支撐管外層的保護管,其中支撐管做為主要的支撐結構,保護管則用於使支撐管與外界空氣隔絕;本創作係藉由繩索或是鐵線與農作物相互綁固,使農作物能夠抵擋強風而不會被攔腰吹斷,且本創作比起常見的竹子支撐架具有更長的使用壽命以及更好的結構強度。