Provided is a warehouse system, including: a work stage including a picking work position at which a worker takes an article of goods out of a storage unit and a warehousing work position at which the worker adds an article of goods to the storage unit, the storage unit moving on the work stage from the picking work position to the warehousing work position; unloading conveyor provided between a warehouse and an upstream end of the work stage, for conveying the storage unit from the warehouse to the upstream end of the work stage; loading conveyor provided between a downstream end of the work stage and the warehouse, for conveying the storage unit from the downstream end of the work stage to the warehouse; dispatching article conveyor for conveying the article of goods that has been taken out of the storage unit at the picking work position in the work stage to a dispatching space; and arrival article conveyor for conveying the article of goods that is to be added to the storage unit at the warehousing work position in the work stage from an arrival space.