The invention relates to a connection method for dissimilar bulk amorphous alloys, in particular to a solid-liquid connection method for the dissimilar bulk amorphous alloys. The solid-liquid connection method for the dissimilar bulk amorphous alloys aims to solve the technical problems that by the adoption of an existing connection method for the dissimilar bulk amorphous alloys, too many technological parameters need to be controlled, the operation steps are complicated, and the economical efficiency and the practicability are poor. The solid-liquid connection method for the dissimilar amorphous alloy bulks comprises the steps that firstly, a bulk amorphous alloy ingot A and a bulk amorphous alloy ingot B are manufactured respectively through a vacuum melting copper mold casting method; secondly, the solid-liquid connection method is adopted for achieving solid-liquid connection of the bulk amorphous alloy ingot A and the bulk amorphous alloy ingot B in a mold with an inner support; finally, a dissimilar bulk amorphous alloy round rod is obtained. The solid-liquid connection method for the dissimilar bulk amorphous alloys has the advantages that heat transmission and solute diffusion are fully utilized, metallurgical bonding of solid-liquid dissimilar amorphous alloys of the atomic scale is achieved, the technology is simple, operation is easy, the size is controllable, the chemical components of the alloys are controllable, the solid-liquid connection method for the dissimilar bulk amorphous alloys can be widely applied to industrial production, and thus the application range of the bulk amorphous alloys in the engineering field can be further widened.