Portable medical device

The utility model discloses a portable medical device. The portable medical device comprises: a battery for outputting a discharge voltage; a heat dissipation assembly; the battery is used for outputting discharge voltage; the electric control assembly comprises an electric control board, a first temperature detection circuit and a heat dissipation driving circuit, and the first temperature detection circuit and the heat dissipation driving circuit are arranged on the electric control board; wherein the first temperature detection circuit is used for detecting the temperature of the electric control assembly and outputting a first temperature detection signal; the heat dissipation driving circuit is arranged on the electric control board, the power end of the heat dissipation driving circuit is connected with the battery, and the first output end is connected with the power end of the heat dissipation assembly; and the heat dissipation driving circuit is used for converting the discharge voltage output by the