The invention discloses a physical experimental apparatus box, wherein a box cover is provided with two through holes matched with mounting bolts of a lever support, one side of the reverse side of the box cover is provided with a bind hole, and the middle part of the reverse side of the box cover is provided with two raised-strip guide rails in parallel; the inner cavity of a box body is provided with a bracket which is provided with a measuring cylinder, a spring dynamometer and a flask respectively in clamping way, the lever support, a lever cross beam and a flask support are arranged beside the measuring cylinder, and the inner cavity of the measuring cylinder is provided with a thermometer pulley support and a laser pen; a counter balance is arranged beside the spring dynamometer, and a mechanical part case, an optical small-part case and an optical bid-part case are arranged at two sides of the tip of the counter balance; and the optical small-part case is internally provided with a fixed pulley, a movable pulley and hook weights, and the optical big-part case is internally provided with an optical socket, a small pore plate, a white screen, a convex lens, a plane mirror, plane glass and a circular dial scale. The physical experimental apparatus box disclosed by the invention has the advantages of small size, multiple purposes, portability and low cost, can be taken by every student who participates in a physical experiment, and can meet the requirements for making experiments independently by the students.