The invention discloses a hydraulic vertical-type conveying device and belongs to the technical field of conveying apparatuses. The conveying device comprises a lower fixing seat, an oil cylinder, a group of reinforcing struts, a thread-type oil pumping mechanism and a pressure oil releasing mechanism, and is characterized in that the oil cylinder comprises an oil cylinder base, a pump core, a pump cover, a pump core spring, a cylinder sleeve, an inner cylinder, a cylinder cover and a piston rod; the oil cylinder base is arranged on the lower fixing seat and is provided with an oil inlet duct, an oil return duct, a ball valve, a high-pressure oil duct, a high-pressure oil cavity, a high-pressure oil discharging duct and a high-pressure oil on-off valve; and the end part, extending out thecylinder cover, of the piston rod is fixedly provided with a bracket, a thread-type oil-pumping mechanism is matched with the pump core, the pressure releasing mechanism is arranged on the cylinder cover, and an upper fixing seat is sleeved on the cylinder cover. The hydraulic vertical-type conveying device has the advantages of rational integral structure, ideal work stability, convenience in operation and labor conservation.