PURPOSE: To perform the input of in-and-out-stock data at an optional one delivery part in utilizing a single inventory managing personal computer, in this rotary rack equipped with plural delivery parts.

CONSTITUTION: Two communicating connectors 16 and 17 are installed in respective loading delivery parts 7 and 8 of a rotary rack, while an inventory managing personal computer 20 is one being portable and conveyable to rewrite and store the inventory data of this rotary rack on the basis of the in-and-out stock data to be inputted, and it has a communicating connector 21 being connectible to the communicating connectors 16 and 17 of the respective loading delivery parts 7 and 8. In addition, a rotary rack control means 18 drives the rotary rack so as to call a rack single bay or in-and-out stock object detected out of the inventory data on the basis of the in-and-out stock data to be inputted in the computer 20, to one delivery part 7 or 8 equipped with the communicating connectors 16 and 16 where the computer 20 is connected.