The invention relates to the technical field of aluminum profile machining, in particular to a horizontal aluminum profile surface oxidation electrophoresis production line. The production line comprises a profile storage station, an oil removal station, an acid pickling station, an alkali washing station, an oxidation station, a reserved polishing station, a coloring station, a hole sealing station, a water washing station, an electrophoresis station, a drip-dry station, a curing station, a discharging temporary storage station and a packaging station. The oil removal station is fixedly installed at the right side of the profile storage station, the acid pickling station is installed at the right side of the oil removal station, the alkali washing station is arranged at the right side of the acid pickling station, and the oxidation station is arranged at the right side of the alkali washing station. According to the production line, the purposes that an aluminum profile is high in metal feeling, and an aluminum plate subjected to anode treatment is high in surface hardness, good in scratch resistance and good in surface attractiveness are achieved, customizing can be carried out according to aluminum profile products of different sizes, configuration is conducted from the aspects of yield, product quality and the like, the yield is high, and continuous work can be carried out in the processes from product pretreatment to oxidation, electrolytic coloring and electrophoresis.