A therapy device comprises a light source； an irradiation unit configured to irradiate an object with light from the light source； a reception unit configured to receive an acoustic wave generated and propagated within the object due to the light, and output the acoustic wave as an electrical signal； a processing unit configured to acquire characteristic information of the object based on the electrical signal output from the reception unit； a temperature adjustment unit configured to be capable of changing a temperature of the object； and a temperature control unit configured to control the temperature adjustment unit based on the characteristic information.
