The invention provides processing process for gold products, which comprises the steps of gold melting, mould reversing, polishing, mould grasping, press finishing and embrotheridery, and is characterized by further comprising the step of brightness treatment, the step is performed after the step of embrotheridery, and the step of brightness treatment comprises the followings: (1), hot acid preparation: pouring sulfuric acid, phosphoric acid, nitric acid and potassium nitrate according to priority into a container for uniform stirring, and heating until boiling, so as to form the hot acid; (2), cold acid preparation: mixing hydrofluoric acid, hydrochloric acid and dairy salt together for uniform stirring so as to from mixed solution, and then pouring salt water heated into the mixed solution for uniform stirring, so as to form the cold acid; and (3), placing gold products treated through embrotheridery into hot acid for soaking and then taking out, then placing into the cold acid for soaking and then taking out, and finally washing the gold products clean by using water, wherein the hot acid is kept to be under a boiling state.