The invention relates to a ridge body soil greenhouse gas detection device which comprises a base, nested devices, a cover plate and a temperature measurement device, wherein the nested devices are arranged on the base; the cover plate is arranged on the top nested device; a fan is arranged on the cover plate; the temperature measurement device is arranged on the cover plate; the number of the nested devices is a natural number not less than 1; detection holes are formed in the upper middle parts of the side surfaces of the nested devices; the bottom of the base is of a saddle-shaped structure. The ridge body soil greenhouse gas detection device is particularly suitable for ridge body soil greenhouse gas detection; a ridge body, a soil environment and the crop growth is slightly interfered; the sealing property is good; the movable or fixed detection can be achieved; the time and the labor are saved; the height can be adjusted with the crop growth at any time.