The present disclosure provides a method for manufacturing a middle frame for mobile terminal and a mobile terminal with a middle frame. The method may include: providing a metal plate; forming a number of elongated protrusions arranged in parallel on the plate, the elongated protrusions each extending along a length direction of the metal plate; forming a tubular blank by bending the metal plate such that each of the elongated protrusions extends around the tubular blank; and cutting the tubular blank into a number of annular pieces, wherein each of the annular pieces includes one of the elongated protrusions.