The invention discloses a warehousing method of a clamping type intelligent stereoscopic warehouse for storing PCB finished products, and relates to the technical field of warehousing systems. The clamping type intelligent stereoscopic warehouse comprises a plurality of storage racks, blocking plate buffer frames arranged at sides of the storage racks, a blocking plate lifting device arranged between the blocking plate buffer frames, a clamping type mechanical hand which is arranged between adjacent storage racks, can move in the horizontal or vertical direction relative to the storage racks,is used for feeding stored goods to preset storage positions to store, and taking out the goods while the goods are ex-warehoused, a warehousing operation center which is arranged on ground of the intelligent stereoscopic warehouse and is positioned at sides of the storage racks, an ex-warehousing operation center which is arranged on the ground of the intelligent stereoscopic warehouse, and is used for performing ex-warehousing operation at one side, away from the storage racks, of the warehousing center, and a control center which is arranged in the intelligent stereoscopic warehouse, and isconnected to the storage racks, the clamping type mechanical hand, the warehousing operation center and the ex-warehousing operation center. With the adoption of the technical scheme adopted by the invention, the clamping type intelligent stereoscopic warehouse has the advantages of being simple and convenient in goods storage, low in economic cost and good in flexibility.