The invention discloses a bracket assembly and a goods shelf. The bracket assembly comprises a first connecting plate, a second connecting plate and a fastening device; at least one first mounting hole and a third mounting hole are formed in the first connecting plate, at least one second mounting hole and a fourth mounting hole are formed in the second connecting plate, and the first mounting hole, the second mounting hole, the third mounting hole and the fourth mounting hole are all long holes; the fastening device is used for fixing the first connecting plate to the second connecting plate;an included angle A is formed between the first mounting hole and the second mounting hole, an included angle B is formed between the third mounting hole and the fourth mounting hole, and the angle Aand the angle B are both right angles or acute angles. In this way, the installation angle and connection position of the first connecting plate and second connecting plate can be adjusted so that the bracket assembly can adapt to various supporting surfaces during installation and use, and the installation is convenient.