A self-service cleanroom suit borrowing/returning system, comprising an automatic cleanroom suit management system backside servo, a borrowing/returning terminal, and a self-service borrowing/returning cleanroom suit machine, the automatic cleanroom suit management system backside servo performing self-service borrowing/returning of cleanroom suits by applying RFID to cleanroom suits carrying electronic labels at the backside, the borrowing/returning terminal being connected, via data communication network, to the automatic cleanroom suit management system backside servo, whereby a user uses the borrowing/returning terminal to enter information required for self-service borrowing/returning of cleanroom suit to the automatic cleanroom suit management system backside servo, the self-service borrowing/returning cleanroom suit machine comprising a cleanroom suit returning box for a user to deposit a cleanroom suit and a cleanroom suit borrowing box for a user to retrieve a cleanroom suit, which are associated with the automatic cleanroom suit management system backside servo, whereby according to the operation that the user makes on the borrowing/returning terminal, the automatic cleanroom suit management system backside servo recovers the cleanroom suit from the cleanroom suit returning box or supplies the cleanroom suit to the cleanroom suit borrowing box.