Biological culture bottle

The utility model relates to a biological culture bottle which consists of a bottle body, a bottle cover and separation boards. The bottle body and the bottle cover are square. The bottle cover is buckled at the opening of the bottle body which is internally provided with the separation boards arranged in the bottle body in parallel. Slots which are arranged at intervals are arranged at the bottom of the bottle body, and the separation plates are inserted into the slots. According to the biological culture bottle provided by the utility model, the separation boards are arranged in the bottle body to increase the culture area of microorganisms, so that the yield of microorganisms is greatly improved. In addition, the separation boards can be detached, so that the separation boards and the bottle body can be conveniently cleaned.