Foldable automatic spotlight disinfection toothbrush, including brush head and brush holder, the middle part of brush head is equipped with a circular brush wheel, is equipped with the several brush hair on this circular brush wheel, and ring array distributes, and the bottom of circular brush wheel is equipped with a square trompil, brush head connection brush holder, this brush holder comprises last brush holder and lower brush holder, wherein goes up the upper end fixed connection brush head of brush holder, and the lower extreme of going up the brush holder passes through the rotational pin axle and is connected with lower brush holder, down the upper portion of brush holder be equipped with with last brush holder complex draw -in groove, the lower part of lower brush holder is equipped with and brushes first complex brush head disinfection groove, this foldable automatic spotlight disinfection toothbrush gathering sunlight is disinfected to the toothbrush head, effectively exterminates the germ in the toothbrush brush head, guarantee user's health, and toothbrush upper portion is collapsible take in the lower part brush holder in, portable, convenient to use, the moisture that can utilize centrifugal action will brush in first when the toothbrush expandes spin -dries, convenient to use, the hanging hole on the brush holder make things convenient for the toothbrush to hang to place, be worth wideling popularize.