Parasite egg field detection device

The utility model relates to the technical field of parasite detection, and discloses a parasite egg on-site detection device which comprises an upper box body, the top of the upper box body is rotatably connected with a top cover, the two ends of the inner side of the top cover are both provided with upper shaft seats, and the interiors of the two sides of the top cover are both slidably connected with the upper shaft seats. Adjusting rods are rotatably connected to the middles of the upper shaft seats on the two sides, lower shaft seats are fixedly connected to the two sides of the bottom of the inner side of the upper box body, the ends, away from the upper shaft seats, of the adjusting rods on the two sides are rotatably connected to the middles of the lower shaft seats on the two sides, and U-shaped grooves are rotatably connected to the lower portions of the sides, opposite to each other, of the adjusting rods on the two sides. According to the utility model, the detection recording plate is driven to r