The invention discloses environment-friendly type cooling fluid. The environment-friendly type cooling fluid is prepared from the following components of propylene glycol, maleic anhydride, 4-hydroxybenzoate, octanedioic acid, diethanolamine, amber acid, nanometer pottery clay, silicate ester, polyethylene glycol, a corrosion inhibitor, an antifoaming agent, a dispersing agent and water. The cooling fluid disclosed by the invention is environment-friendly and good in cooling properties; through synergistic reaction of the components, the organizational structure properties of the cooling fluid are improved, the component composition of the cooling fluid is improved, and the comprehensive properties in various aspects of the cooling fluid are improved; the cooling fluid disclosed by the invention has the efficacies of preventing freezing, preventing boiling, preventing corrosion and preventing scaling, and is high in heat transmission speed and good in cooling effects; damage to environment and human bodies is reduced; in the preservation period of the cooling fluid, gel cannot be produced, and the corrosion inhibitor cannot be separated, and the cooling fluid has long-term effects; the cooling fluid product is simple in making technology and process, little in use equipment, easy to operate, low in required energy consumption, low in production cost and easy in industrialized large-scale production, has very high popularization and application values, and has good city prospects.