To provide a system capable of confirming information on the use of an inhaler in a place distant from the inhaler.

This asthma treatment support system 1 includes a transmitter 101, a management server 102 and a display device 103, and transmits information on the use of the inhaler to the display device 103 from the transmitter 101 through the management server 102. The transmitter 101 includes a detecting means 11 detecting the operation of the inhaler and outputting the operation information of the inhaler, a use frequency computing means 14 computing the use frequency information of the inhaler based on the operation information, and a transmitting means 12 transmitting the use frequency information to the management server 102. The management server 102 includes a receiving means 22 receiving the use frequency information, a storage means 25 storing the use frequency information, and a transmitting means 22 transmitting the use frequency information to the display device 103. The display device 103 includes a receiving means 32 receiving the use frequency information, and a display means 31 displaying the use frequency information.