The present invention is an information processing module that relates to a patient management system based on the disinfectant geographic information, and patient information DB (12) stores the address information of the infected communicable diseases and patient, retrieve the stored information of the patient information DB (12) 13 integrated management server 10 having: storing the geographical information DB ground image information (22) and; And one administrative area DB (21) stores the information that the boundary line along the boundary image on the ground administrative areas; Geographical information DB (22) and Area DB (21) disinfectant information DB (24) for storing information relating to the information stored in the disinfectant and; Geographical information DB (22), Area DB a disinfectant management server 20 with the information processing module 26 to 21 and disinfectant information retrieve the stored information of the DB (24): and the information process module according to the criteria (13, 26) are respectively patient information DB (12), geographical information DB (22), area DB (21) and disinfectant information DB (24) and to retrieve, for receiving the search result information search module (43 )and; Information integration module (44) for processing so that the boundary line is overlapping the surface image as the background, and determine the number within the patient compartment area to the boundary line through the address information of the patient stored in the patient information DB (12) and; While the boundary line to output the overlapped image the earth, according to the number of patients confirmed by administrative district a terminal 40 provided with a map output module 42 to apply a differentiated color in the area: intended to include.