A high-performance travelling wheelchair comprises a folding mechanism; the folding mechanism comprises a handle tube, a back cushion, rear tube supports, front supports, rear supports, a cushion frame and a footrest frame; an armrest is hinged to one end of each armrest fixing seat through bolts, and the rear tube supports are welded to two sides of the bottom end of the back cushion; first connecting pieces are respectively arranged on two sides of the cushion frame, and two ends of each connecting piece are respectively hinged to the cushion frame and the corresponding front support; frontwheels are fixedly mounted at the other ends of the front supports; a front protection plate and second connecting pieces are arranged on the front supports, and both ends of each second connecting pieces are respectively hinged to the front supports and the rear supports through bolts. The high-performance travelling wheelchair has the advantages that the folding mechanism is improved to be prevented from easily falling off during use; the high-performance travelling wheelchair is convenient to fold and reasonable in structure, thereby bringing great convenience to patients during use; afterbeing folded, the high-performance travelling wheelchair occupies small space, thereby having high practicality.