Water discharge device for air conditioner

The water draining unit for air conditioner includes water accepting groove for collecting condensed water and water storing groove for storing condensed water. The storing condensed water is set on one end of the water accepting groove and is provided with water draining port in the outer wall. The water accepting groove has bottom higher than the water draining port, and the water storing groove has bottom lower than the water draining port. The water storing groove has also L-shaped baffle comprising integral horizontal part connected to the water storing groove and vertical part with end extending to the position lower than the water draining port. The present invention is simple structure and reliable operation, and can block inverse air flow to drain condensed water fluently.