The invention discloses a liquid counterweight cabinet capable of automatically closing. Two opposite openings are formed in the cabinet, a drawer can be pulled out from two sides, and counterweight modules are arranged for counterweight. The cabinet has the advantages that counterweight is conducted on the cabinet, and when the drawer is pulled out from one side, counterweight liquid and a pistonmove to the other side, so that overall weight of the cabinet is kept balanced, and the cabinet does not easily fall; the drawer can be pulled out from the two sides, so that item taking and using are more convenient; due to the fact that the liquid tends to flow to the lower position in the middle, the position of the drawer tends to always be kept in the middle, and when the drawer is pulled out towards the other side, the cabinet can automatically returns to the position in the middle.