The invention relates to a connected chisel, in particular to a high-efficiency combined type connected chisel and a preparation method. The connected chisel comprises a main body part, wherein the head of the main body part is a chisel head end, the tail of the main body part is a handle end, and the chisel head end, the main body part and the handle end are integrally distributed. According to the high-efficiency combined type connected chisel and the preparation method, the structure is compact, the performance is excellent, and the operation safety performance is improved.