Pressure type injector for trunk of tree

To suppress a resin secreted by the injection pressure of the drug solution at the same time to increase to increase the injection speed can be prevented from occurring that the inlet tube is clogged with the resin, and is easy to carry and to install, repetition can be used, yet economical as the structure is simple and cheap then not only can produce the chemical liquid injection is completed, the pressure type Trunk injector which can prevent air from being injected is disclosed. Pressure Trunk injector according to the present invention, the injection cylinder which the chemical liquid tank that the chemical solution is stored, with a quantitative feeder to meter the chemical solution as long as the capacity to inject storage supply portion, a metered chemical drafts for implantation, injection cylinder, and having a pressure tank that connects the pressurized liquid medicament in the liquid medicament is part having an injection nozzle that is inserted into the tree to be implanted injection, and injection and well injection cylinder inflow Sikkim compressed air into the cylinder to be through the chemical solution is injected into the nozzle delivery to the tree made part pressed.