The utility model relates to the technical field of crude oil pre-dehydrating devices and discloses a super-heavy oil high-temperature and high-efficient elevation angle type pre-dehydrating device. The super-heavy oil high-temperature and high-efficient elevation angle type pre-dehydrating device comprises a tank body, an oil outlet collector, a water removal coalescer, an oil removal coalescer and a sand washing device, wherein the tank body is low at left and high at right to be inclined and forms an included angle of 9-15 degrees with the horizontal plane; the oil outlet collector is fixedly arranged in the right part of the tank body, and a liquid inlet cavity is formed between the oil outlet collector and the right end of the tank body; a liquid inlet port is formed on the tank body at the upper part of the liquid inlet cavity; the water removal coalescer is fixedly mounted in the tank body on the left side of the oil outlet collector at an interval, and a collecting tank is formed between the water removal coalescer and the oil outlet collector. The super-heavy oil high-temperature and high-efficient elevation angle type pre-dehydrating device disclosed by the utility model has the advantages of reasonable and compact structure and convenience in use; the elevation angle type separated tank body is adopted, so that the coverage area of an oil-water interface can be increased and the gas-liquid separation efficiency can be improved; simultaneously, the oil-water sedimentation distance is increased and the oil-water separation effect is improved; high-efficient separation, good separation effect and high separation precision in the limited tank body space are realized, and the oil-water-gas separation requirements of heavy oil are further met.