▎ 摘　　要

NOVELTY - The utility model claims a field detection device of methyl parathion based on nano-gold-graphene composite film, belonging to the technical field of soil detection, comprising: a shell, a soil taking drill, a detection cavity, a sliding block, a water pump, a pump; a detector main body and a communication device; the cavity of the outer side wall of the shell is provided with a soil taking drill; one side of the inner top end of the shell is provided with a detecting cavity; one side wall of the top end of the detecting cavity is provided with a sealing plate; the front part and the back part of one side of the top end of the sealing plate are provided with rotating rod. The methyl parathion field detecting device based on nano-gold-graphene composite film not only has portable soil drill, convenient to collect soil at any time, but also can be detected when moving, preventing sample and leakage liquid the interior, it is easier to use, at the same time, it can automatically clean the inner part after detecting; It prevents the accuracy of the next detection.