The invention discloses a computer case with line arrangement and storage functions. The case comprises a case body and a storage box which is arranged on the side surface of the case body, the storage box comprises a storage box body, a multi-hole cover plate and a sealing cover, and a vent hole is formed in the side surface, connected with the case body, in the storage box body; an exhaust fan is arranged in the vent hole, multiple line arrangement components are further arranged on the side surface, connected with the case body, in the storage box body, and the line arrangement components surround the exhaust fan. The computer case has the line arrangement and storage functions at the same time, the positions of the line arrangement components are adjusted according to the lengths of apower cord and a cable, the winding turn number is reduced, the power cord, the cable and the like can be stored, and interlacing and knotting among different lines are also reduced.