Picking system

A picking system for loading and unloading a product, the picking system comprising:

• a plurality of conveyance modules including a conveying means for conveying a product;
• and
• a plurality of conveyance lines including at least one of the conveyance modules,
• wherein the plurality of conveyance lines include:
• at least one first conveyance line that conveys the product along a conveyance path;
• at least one second conveyance line that temporarily accumulates the product;
• and
• at least one third conveyance line that conveys a shipping container of the product according to a conveyance path,
• wherein the plurality of conveyance modules include a conveyance module for picking that takes out the product conveyed from the at least one first conveyance line, and
• wherein the conveyance module for picking is capable of executing first work of accommodating the product conveyed from the at least one first conveyance line in the shipping container, second work of placing the product conveyed from the at least one first conveyance line in the second conveyance line, and third work of taking out the product from the second conveyance line and accommodating the product in the shipping container,
• wherein the plurality of conveyance lines include:
• a plurality of the third conveyance lines;
• and
• at least one fourth conveyance line that conveys the shipping container to a transporting means, and
• wherein the at least one conveyance module constituting the third conveyance line is capable of executing at least one of operation of conveying the shipping container to another one of the third conveyance lines via the at least one fourth conveyance line and operation of receiving the shipping container from another one of the third conveyance lines via the at least one fourth conveyance line.