NOVELTY - An organic waste treatment apparatus comprising: (1) a stirring unit insertion/extraction opening provided at the base (45) of a front wall (43) in a treatment tank (21); (2) a retaining plate (46) of front wall, supporting the stirring unit (22), where the drive unit (23), closes the opening; and (3) a rotary shaft (38) of a stirring unit, which is rotatably supported by a bearing (54) at the rear wall (44) of the tank, is new.    USE - The apparatus is useful for processing organic waste e.g. excrements of human, livestock.    ADVANTAGE - The insertion/extraction opening in front wall, enables easy and reliable repair work of the stirring unit. Maintenance work of treatment unit is easily performed.    DETAILED DESCRIPTION - An organic waste treatment apparatus comprising:    (1) a stirring unit insertion/extraction opening provided at the base (45) of a front wall (43) in a treatment tank (21), which provides a mounting surface for the bearing support unit during mounting of the retaining plate with respect to the base;    (2) a retaining plate (46) of front wall, supporting the stirring unit (22), where the drive unit (23), closes the opening;    (3) a rotary shaft (38) of a stirring unit, which is rotatably supported by a bearing (54) at the rear wall (44) of the tank;    (4) a ball and roller bearing (53) supporting front end of rotary shaft, provided with a hole which receives the protrusions formed in the retaining plate;    (5) the bottom inner face of stirring unit insertion/extraction opening, provides mounting surface of bearing support unit, during mounting of retaining plate with respect to base; and    (6) a cover for the upper portion of the treatment tank, is new.    DESCRIPTION OF DRAWING(S) - The figure shows the left side view of treating apparatus. (Drawing includes non-English language text).    treatment tank (21)    stirring unit (22)    drive unit (23)    rotary shaft (38)    front wall (43)    rear tank (44)    base (45)    retaining plate (46)    ball and roller bearing (53)    bearing (54)