The invention discloses an etching agent and a method for producing display equipment by using the same. The etching agent according to the exemplary embodiment of the invention comprises about 0.5-20wt% of persulfate, about 0.01-2wt% of fluorine compounds, about 1-10wt% of inorganic acids, 0.5-5wt% of cyclamine compounds, about 0.1-5wt% of chlorine compounds, about 0.05-3wt% of copper salts, about 0.1-10% of organic acids or organic acid salts and water.