PROBLEM TO BE SOLVED: To attain an expected animal repellent effect by preventing a user from mounting an aerosol container housing a different medicine erroneously when animal repellent housed in the aerosol container is automatically injected, and secure safety.SOLUTION: A connection member 25 connected to a body case 50 is fixed to an aerosol container 10 housing animal repellent. The body case 50 has a connection member dedicated shape to which the connection member 25 is connected.