In the present invention having structure franchise disclosure a real estate transaction system. The present invention according to system, including information contract information is registered and contract sale information containing managed database; franchise registration based on the information provides real estate intermediation information by level registration, connection from requestor transaction, visited, trading according to discount for issuing and point managing franchise based on as to the management server performs management fee; through and Internet network provided from the server said homepage or web page connected to each inner bump part and, according to level registration franchise offerings to information of moving pictures, sale information containing, contract information, contract information is selectively provided, or existing-out period, the registration with sale information containing novel to sale information containing a addition point according to registration information of moving pictures at least one estimate consists of terminal. Therefore, the present invention refers to reality agency system for franchise as well as embodied in the form, realty information by implementing a structure central distributor is, estimate of disclosure information and the non-silicide layer has the AC/DC inverter is arranged between and to secure safety balance..