A wireless communication control system comprising: a first radio having a directional antenna; a second radio (2a, 2b) formed to be capable of performing wireless communication with the first radio; a directivity information storage unit that stores, in relation to wireless communication between the first radio and the second radio (2a, 2b): a plurality of pieces of directivity information relating to a directivity, and a plurality of change patterns that indicate a temporal change in a received signal intensity in a reception radio (1, 2a, 2b) in a case where wireless communication is performed with a predetermined directivity, the plurality of pieces of directivity information being applicable to the directional antenna of the first radio in accordance with the plurality of the change patterns; an acquisition unit that acquires a temporal change in the received signal intensity when wireless communication is performed between the first radio and the second radio (2a, 2b) via the directional antenna to which the predetermined directivity is applied; and an execution unit that selects, from among the pieces of directivity information stored in the directivity information storage unit, directivity information corresponding to a change pattern of the plurality of change patterns that is determined based on the temporal change in the received signal intensity acquired by the acquisition unit, applies the selected directivity information, and executes wireless communication between the first radio and the second radio (2a, 2b). a first radio having a directional antenna; a second radio (2a, 2b) formed to be capable of performing wireless communication with the first radio; a directivity information storage unit that stores, in relation to wireless communication between the first radio and the second radio (2a, 2b): a plurality of pieces of directivity information relating to a directivity, and a plurality of change patterns that indicate a temporal change in a received signal intensity in a reception radio (1, 2a, 2b) in a case where wireless communication is performed with a predetermined directivity, the plurality of pieces of directivity information being applicable to the directional antenna of the first radio in accordance with the plurality of the change patterns; a plurality of pieces of directivity information relating to a directivity, and a plurality of change patterns that indicate a temporal change in a received signal intensity in a reception radio (1, 2a, 2b) in a case where wireless communication is performed with a predetermined directivity, the plurality of pieces of directivity information being applicable to the directional antenna of the first radio in accordance with the plurality of the change patterns; an acquisition unit that acquires a temporal change in the received signal intensity when wireless communication is performed between the first radio and the second radio (2a, 2b) via the directional antenna to which the predetermined directivity is applied; and an execution unit that selects, from among the pieces of directivity information stored in the directivity information storage unit, directivity information corresponding to a change pattern of the plurality of change patterns that is determined based on the temporal change in the received signal intensity acquired by the acquisition unit, applies the selected directivity information, and executes wireless communication between the first radio and the second radio (2a, 2b).