Portable negative pressure adsorption electric soldering iron

The utility model relates to the technical field of electric soldering iron, in particular to a portable negative pressure adsorption electric soldering iron. The electric soldering iron comprises a casing, an electric soldering iron nozzle and a motor air draft component, wherein the motor air draft component is arranged in the casing, the electric soldering iron nozzle is provided with a heating element, an adsorption port and an air draft channel, and the adsorption port is communicated with an air inlet of the motor air draft component through the air draft channel; the casing is provided with an air discharge port which is communicated with an air outlet of the motor air draft component; and a battery component for providing direct current is arranged in the casing. During usage, negative pressure adsorption can be achieved through the motor air draft component, jewelry workpieces cannot be absorbed too firmly by using the negative pressure adsorption mode, therefore the absorption or loosening of the je