Soil covering device of full-film-covering seeding machine

The utility model discloses a soil covering device of a full-film-covering seeding machine, which comprises a gear reverser, soil covering devices are arranged on two sides of the gear reverser, and each soil covering device comprises a shell and a soil guide mechanism; the shell comprises a soil guide cylinder and a soil sliding cover, an on-ridge soil sliding groove is formed in the lower portion of the soil guide cylinder, and a film edge soil sliding groove is formed in the lower portion of the soil sliding cover; the device is characterized in that an in-film soil sliding opening and an in-film soil sliding groove are formed in the inner sides of the two soil sliding covers respectively, a soil collecting hopper is arranged below the two in-film soil sliding grooves, a soil leaking opening is formed in the rear side of the soil collecting hopper, a soil blocking door is hinged to the soil leaking opening, and the soil blocking door is connected with a soil leaking driving mechanism for driving the soil b