The utility model relates to the field of seed cultivation box discloses a seed cultivation box of automatic light supplementing, including cultivation box body, the front end of cultivation box body is rotatively connected with the
revolving door, the middle part of
revolving door is equipped with the observation window, the inside fixedly connected with glass in observation window, the top of observation window is provided with cleaning
assembly, the inner wall of cultivation box body left and right two ends all are fixedly connected with
fixed slide rail and fixed strip, and fixed strip is located in the front end of
fixed slide rail, the fixed strip inside is connected with the sliding block of sliding, the sliding block is connected with the baffle through the dismounting
assembly, the front end of baffle is equipped with the moving groove. In the utility model, through the control limit rod of
paddle, easily realize the baffle rotation and height adjustment, satisfy the demand of different seed cultivation to the baffle distance, height, simultaneously, when disassembling the baffle, need only to make it separate from the slot by poking the limit strip, can separate the baffle with the sliding block, convenient for staff to disassemble and clean or maintain quickly.