Hatch coaming structure taking total longitudinal strength into account

The invention relates to a hatch coaming structure with total longitudinal strength being taken into account. The hatch coaming structure on a deck is of a continuous pipeline structure. The coaming of the pipeline structure comprises first longitudinal hatch coaming bodies, second longitudinal hatch coaming bodies, hatch coaming top plates and curvature plates, wherein the first longitudinal hatch coaming bodies are located on the left side and the right side of a hatch respectively and close to a ship; the second longitudinal hatch coaming bodies are located on the sides, close to the ship, of the left side and the right side of the ship; the hatch coaming top plates are located on the tops of the first longitudinal hatch coaming bodies and the second longitudinal hatch coaming bodies; the surface plate is connected with the curvature plate; and lightening holes are formed in the first longitudinal hatch coaming and the second longitudinal hatch coaming. The highest point positions of the longitudinal conti