at the center of toothbrush handle body 11 to make the water therein jet out from the suction and jet pipe 19 thru nozzle 192 to wash the said channel 111 and pipe 19 the front end of said squeeze bulb 15 is tightly installed on the funnel shaped adapter 17 extending from the distal end 112 of toothbrush handle body 11 and be removed from said adapter 17 with some effort two or four elastic spring leaves 16 on the inner wall of squeeze bulb 15 are extended from the inner side of convex ring 172 holding the said bulb 15 so that after the said bulb 15 is pressed these leaves 16 can help the said bulb 15 restore its original shape as shown in fig3 and 6 thru 9 a holding edge 170 with a long hole 171 on one side of said adapter 17 at the distal end 112 of said handle body 11 is designed to hold a push button or switch 2 so as to install a tooth picking flexible member 3 in the partially enclosed channel 113 on the back side of said handle body 11 and make the tooth picking member 31 penetrate the front end of bristle section body 12 so that the tooth picking member point 32 can penetrate the convex seat 194 on one side of the suction and jet pipe body 191 a slot 21 with a movable fastener 22 is located on the upper side of seat body 20 of push button or switch so that the tooth picking member 3 can be fastened on and removed from the push button 2 thru the said movable fastener 22 meantime pushing the said.