The invention discloses a drying box for experiments. The drying box comprises a box body, a PLC is arranged on the upper portion of the left side of the front side face of the box body, an equipmentroom is arranged on the left side inside the box body, a drying room is arranged on the lower portion of the right side inside the box body, a hot gas room is arranged on the upper portion of the right side inside the box body, an exhaust box is arranged on the right side face of the box body, the exhaust box communicates with the drying room, a box door is hinged to one side of the open end of the drying room through a hinge, a handle is arranged on one side of the outer surface of the box door, a transparent glass plate is arranged in the middle of the box door, supporting plates are arranged on the left side wall and the right side wall inside the drying room correspondingly, a placing rack is clamped to the upper surface of the two supporting plates in a sliding mode, short pipes are evenly distributed at the top end of the drying room, the short pipes communicate with the hot gas room, and a heating box is arranged at the bottom end inside the equipment room. By means of the drying box for the experiments, air inside the box body can be kept clean and aseptic, the hot air flowing direction can be changed, drying is more uniform and efficient, the temperature value and the humidity value are grasped in real time, and great convenience is brought to use.