The sounding device comprises the string, the bridge, the faceplate, the plate for tying string as well as the paper cone and the phonic needle for conducting vibrations, the support elastic piece for supporting the bridge, the deadening mat for stopping the vibrations conduction of the elastic piece. One end of the phonic needle is connected to the paper cone, and the other end of the phonic needle is connected to the bridge. The tripod under the bridge is installed on the faceplate. The support elastic piece through the deadening mat is put on the tripod. The invention can replace the
phonation part of various stringed instruments providing the features of good musical quality volume, low cost, simple technique to produce the instrument and the good performance for anti dry and anti
fungus.