Ultraviolet sterilization smoking machine

The utility model belongs to the technical field of environmental protection and medical equipment, and particularly relates to an ultraviolet sterilization smoking machine. The smoking machine comprises a machine shell, a control panel, and a filter element, a sterilization filter element and a final-stage filter element which are positioned in the machine shell and are connected in sequence, an air suction pipe and an air outlet pipe are arranged on the shell, the filter element is connected with the air suction pipe, and the last-stage filter element is connected with the air outlet pipe; the sterilization filter element comprises a condensation cavity, an ultraviolet light source and an optical power detector; the inner wall of the light gathering cavity is a highly reflective layer capable of effectively reflecting ultraviolet light; the ultraviolet light source is arranged in the light gathering cavity; the optical power detector detects the optical power in the cavity, and the control panel processes a