Fixing structure of tree infusion apparatus

The utility model belongs to the field of infusion equipment, and particularly relates to a fixing structure of a tree infusion instrument. The technical problem that in the growth process of a tree, surrounding bandages may be squeezed or stretched, so that fixation is not firm, and normal work of an infusion apparatus is affected is solved. According to the technical scheme, the fixing structure of the tree infusion instrument comprises a clamping assembly; the device further comprises a liquid storage device, a connecting assembly and a needle hole limiting assembly. The clamping assembly is installed on a tree trunk, the length of the connecting assembly is adjusted, the liquid storage device is opened, an infusion bag is placed in the liquid storage device, an infusion tube is placed in the needle hole limiting assembly along a hole of the liquid storage device, a needle tube is fixed through the hole of the needle hole limiting assembly, then the needle tube is inserted into the tree, and therefore infu