The invention provides a full-covered type heat pipe heat removal cabinet which is used for carrying out heat removal on high radiating density rack servers inside a machine room. The full-covered type heat pipe heat removal cabinet is composed of a movable support with side plates, a mesh front door, a rear back plate, reinforcing hinges, a height adjustable header support, an air hose separating plate, a sealing assembly and a liquid hose separating plate, wherein the rear back plate is composed of an air hose, an air pipe fixing assembly, a heat pipe exchanger, a rear back plate frame metal sheet, a fan mounting plate, small axial flow fans, a controller, a mesh cover plate, a liquid pipe fixing assembly and a liquid pipe hose, and the heat pipe exchanger is composed of a heat exchange core body, an air pipe connector and a liquid pipe connector. According to the full-covered type heat pipe heat removal cabinet, the demands for control over the temperature of the high radiating density rack servers in the machine room is combined, the distribution of full-covered type small axial flow fans is adopted, efficient heat removal is achieved by improving heat removal evenness, and the thickness space of the rear back plate can be saved; the mode that the hoses are arranged inside the rack is adopted, the effect that the hoses swing freely along with the opening and the closing of the rear back plate is achieved, the service life of the hoses is prolonged, and the safety of the system is improved; through the design and selection of the structure and accessories, the full-covered type heat pipe heat removal cabinet is suitable for various construction conditions and ensures safe and reliable operation of products.