Recently, Social Commerce that provides customer with cheap deals is under the spotlight. The purpose of this study is to propose how to use social commerce on small restaurant business, which encompass almost a half of entire deals. We analyzed each element from the last transaction data of three social commerce company and survey obtained from the restaurant business. As a result, we can find that the purpose of promoting, the location of restaurant, whether is franchise or not, price and menu composition have an effect on sales of coupon. Based on these results, we proposed two step approaches to use the social commerce company. The first step is to decide whether social commerce is used or not and the second step is to define the detail content of deal including the social commerce company. We convinced that our proposed strategy is very helpful to the small restaurant which considers utilization of social commerce company.