To unnecessitate paper when an order from a customer is accepted and to relieve burden of the customer at stores such as the ones of cleaning business, various kinds of rental businesses, etc.

This reception assistance system is constituted by providing a card 8 owned one by one by each customer, a controller 2 to be installed at the store, an input device 3, a storage device 5 with a customer data file 5a in which attribute information about plural customers is stored based on identification information, a merchandise (service) data file 5b in which attribute information about plural pieces of merchandise (service) is stored based on identification information of the merchandise (service), a transaction data file 5c in which transaction data about plural customers is stored based on identification information of the customers and a card reader/writer 6. The transaction data is created based on information inputted via the input device 3, written in a thermal display part of the card 8 loaded on the card reader/writer 6 and stored in the transaction data file 5c based on the identification information about the customers here.