A method of displaying a price fluctuation amount is provided. According to an embodiment of the present invention, there is provided a method of displaying a price fluctuation amount for a plurality of price controlled real estates in a price fluctuation amount display device. The method comprises the steps of : displaying a first icon indicating a plurality of first price controlled real estates located in a first map area on a screen of a price fluctuation amount display device; displaying a price fluctuation amount indicator indicating a price fluctuation amount for each of the plurality of first price controlled real estates for a specified period adjacent to the first icon without any separate user input, wherein the size of the price fluctuation amount indicator is indicative of the size of the price fluctuation amount and the color of the price fluctuation amount indicator is indicative of an increase or decrease in price; displaying, in response to a user input, a second icon indicating a plurality of second price-controlled real estates located in a second map area on the screen of the price variation amount display device, wherein the second map area has an area overlapping at least a part with the first map area; and displaying a price fluctuation amount indicator indicating a price fluctuation amount for the specified period for each of the plurality of second price controlled real estates adjacent to the second icon without any separate user input.(AA) Start(BB) End(S100) Displaying a digital map on a geographical area in which multiple real estates in which prices are managed are positioned(S200) Receiving an input regarding a reference time point of a price fluctuation amount from a user(S300) Inquiring the price fluctuation amount between the reference time point and a current time point(S400) Displaying the price fluctuation amount indicator indicating the price fluctuation amount by overlaying a plurality of price controlled real estates at each positionCOPYRIGHT KIPO 2018