The invention discloses a refrigeration module mounted on a cigarette heater, and belongs to the technical field of smoking sets. The refrigeration module is arranged at the opening end of a cigaretteinsertion hole of the cigarette heater, and is used for performing temperature reduction treatment on smoke circulating to a filter tip section from a cut tobacco section of a cigarette; the refrigeration module comprises an annular semiconductor refrigeration sheet and a heat radiation component; the cold end of the annular semiconductor refrigeration sheet is tightly attached to one section ofthe cigarette, and the hot end is connected with the heat radiation component into a whole, so that the smoke realizes sufficient temperature reduction in the process of circulating from the cut tobacco section to the filter tip section; the mouth-entering smoke temperature is reduced; the mouth-entering smoke comfortable degree is improved; the temperature reduction of high-temperature smoke is realized on the premise of not changing the structure of the cigarette; the cigarette heater with the refrigeration module can be used for smoking of ordinary cigarettes; the limitation that the cigarette heater is only applicable to smoking of matched cigarettes is relieved.