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In order to investigate the durability corrosion behavior and mechanical properties of steel aluminum heterogeneous self-piercing riveting adhesive joint (adhesively riveted composite joint) in salt environment, 0. 6 mol/L NaCl solution was used as corrosion solution to carry out the accelerated corrosion test of DP590-5052 adhesively riveted composite specimen by dry wet cycle immersion, combined with corrosion dynamics, statics and SEM. The results show that the loss of weight of the steel aluminum specimen increases all the time and the corrosion rate decreases gradually in the sat environment; at the initial stage of corrosion, the static strength and impact resistance of the butt joint in the sat environment have not been adversely affected; the sat environment has not changed the failure mode of the steel aluminum heterogeneous adhesive riveted composite joint, which s that the rivets are pulled off from the lower plate, and with the increase of corrosion time, a large number of hollows appear in the inner lock structure area. PIs and bulges affect the deformation characteristics of joints during failure. [ABSTRACT FROM AUTHOR]