Sampling knife for food detection

The utility model relates to the technical field of sampling knives, in particular to a sampling knife for food detection, which comprises a fixing plate, three threaded through holes are formed in each of the left side and the right side of the fixing plate from top to bottom, and open grooves are formed in the left side and the right side of the fixing plate and located at the top and the bottom of the inner wall of each threaded through hole. The sampling scraper can enter and exit conveniently through the open groove, and circular cavities are annularly formed in the positions, corresponding to the threaded through holes, of the inner cavity of the fixing plate. According to the technical scheme, the food sampling device has the advantages of being simple in structure, convenient to use and high in sampling efficiency, a worker can conveniently and directly use the sampling barrel to make contact with food when the food sampling device is used, the food is temporarily stored in the inner cavity of the sam