Power distribution system

The invention provides a power distribution system, and belongs to the technical field of low-voltage electrical appliances, the power distribution system comprises a main power distribution box provided with a main switch and a plurality of branch power distribution boxes provided with branch switches, the branch switches in the branch power distribution boxes are connected in parallel, and the branch switches connected in parallel are connected with the main switch in the main power distribution box in series; the plurality of branch distribution boxes are used for being arranged in a plurality of unit areas provided with loads in a one-to-one correspondence mode, and the plurality of branch switches are electrically connected with the loads of the corresponding unit areas. The main switch controls the branch switch, and the branch switch controls the load of the unit area. The number of the branch power distribution boxes is multiple, each unit area is provided with one branch power distribution box, and t