A complete flow diversion intestinal ostomy surgery kit, comprising an ostomy tube (1), the ostomy tube (1) comprising a tube body (11) near the front end of the tube body (11) is provided with a deformable balloon (12) a fine tube (16) is provided within the tube wall of the tube body (11) or inside the tube body (11) the front end of the fine tube (16) penetrates the tube wall of the tube body (11) and is in communication with the inner cavity of the balloon (12) when filled with fluid via a connector (17), the balloon (12) and the intestinal wall form a sealed structure that blocks matters inside of the intestine the complete flow diversion intestinal ostomy surgery kit further comprises a ring-shaped fixing plate (2) the exterior wall of the tube body (11) is provided with a ring-shaped groove (18) the ostomy tube (1) is fixedly connected to the abdominal wall (F) of a patient via the ring-shaped fixing plate (2) that matches the ring-shaped groove (18). By controlling the pressure of the balloon (12) to divert the flow of matters inside of the intestine, the matters inside of the intestine is guided out via the ostomy tube (1). When the anastomosis at the far end is healed, the ostomy tube (1) is pulled out and removed, and the anastomosis automatically closes.