Shelf management method and system, sorting zone and stock sorting system

A stock picking system, comprising:

• a stock container zone, configured to store a plurality of stock containers;
• transfer robots, configured to transport the plurality of stock containers;
• and
• a picking zone, configured for a picking operator to pick target goods from each stock container transported by the transfer robots;
• wherein:
• the picking zone, comprises at least one picking station, each picking station comprising two picking passages and two picking points respectively located on the two picking passages;
• each picking point is configured for the picking operator to pick the target goods;
• and
• each picking passage is U-shaped and configured to provide a traveling route for the transfer robots to enter each picking station and pass through each picking point on each picking passage in each picking station and leave each picking station.