The invention belongs to the technical field of clad material continuous casting, in particular to clad material solid/liquid composite dual-solidification continuous casting and forming equipment and method. The clad material solid/liquid composite dual-solidification continuous casting and forming equipment and method are characterized in that inversion solidification and forward solidification continuous casting and forming are combined, the measures that core materials are not heated in advance, an inversion solidification device with small capacity is designed, the core materials are prevented from penetrating through clad layer melt metal for a long time, the melt metal flows out from the bottom of a crucible by relying on self-weight, and the size of the inversion solidification device and the size of a water-cooled crystallizer are controlled effectively are taken, the high quality clad materials of needed shapes and sizes are formed through continuous casting, and the equipment and the method are especially suitable for continuous casting forming of the high quality clad materials with the melting point of the clad layer metal lower than that of the core material metal. The equipment and method have the advantages that the equipment is simple in structure, parts are easy to replace, operation and maintenance are convenient to carry out, layout is reasonable and compact, investment is small, industrialized application and popularization are facilitated, the procedure of the forming process is short, energy is saved, environment is protected, cost is low, the combination freedom of the clad layer metal and the core material metal is large, and the prepared clad materials are good in quality and performance.