PURPOSE: An etching device is provided to protect workers from harmful influence due to etchants by performing an etching process in a sealed space. CONSTITUTION: An etchant storage unit (110) receives etchants. An etchant distribution unit (200) distributes the etchants. The etchant distribution unit includes an etchant distribution member (210) and an etchant distribution plate (220) which is located on the lower side of the etchant distribution member. An etchant injection rod (120) is located between the etchant storage unit and the etchant distribution unit. The etchant injection rod includes a first end (121) connected to the etchant storage unit and a second end (122) connected to the etchant distribution unit.
