Production method of aluminum alloy conductor rail

The invention discloses a production method of an aluminum alloy conductor rail, relates to a conductor rail for the power supply of a subway line, and aims to provide a production method of an aluminum alloy conductor rail with high strength and high conductivity. The conductor rail is made of aluminum alloy. During the preparation phase of the aluminum alloy, other metal elements in percentage by mass are as follows: 0.34% to 0.5% of Si, 0.12% to 0.25% of Fe, 0.02% to 0.08% of Cu, 0.02% of Mn, 0.5% to 0.65% of Mg, 0.02% of Cr, 0.03% to 0.08% of Zn and 0.01% to 0.03% of Ti.