Abstract: Disclosed is an all-around full-automatic mouth holding type brushing-protecting integrated intelligent toothbrush. The toothbrush includes a crown, a host machine and a charging base; the host machine is arranged at a bottom of the crown; an adapter is arranged between the crown and the host machine; the crown and the adapter are connected via a stepped screw thread; the host machine and the adapter are connected via a clamping buckle. According to the all-around full-automatic mouth holding type brushing-protecting integrated intelligent toothbrush, the problems that the existing toothbrush has a long brushing time and needs to be held by a hand, and a toothbrush head cannot completely and accurately clean each position of teeth without a dead angle are effectively solved.