Microorganism culture instrument

The utility model relates to the technical field of microorganism culture, and discloses a microorganism culture instrument which comprises a box body, two groups of plugs are mounted on two sides of the box body in a threaded manner, a bearing plate is arranged in the box body, and a plurality of groups of culture tubes are mounted in the bearing plate at equal intervals. Rotary fastening mechanisms used for rotating the bearing plate and fixing the bearing plate are arranged at the two ends of the bearing plate, and a plurality of flow guide cleaning mechanisms used for guiding a culture solution into the culture tubes and cleaning the culture tubes are arranged at the top of the box body at equal intervals. The microorganism culture instrument has the advantages that multiple groups of culture tubes are provided, so that the number of cultured microorganisms is greatly increased, and the culture tubes are convenient to clean, and the problems that the number of microorganisms which can be cultured at one t