To provide a robot camera maintenance box which removes the fouling adhered to a robot camera and whose series of cleaning work can be done in a short time by remote control.

This robot camera maintenance box has a box body stationed in opposition to a robot camera, and legs to fix the box body to the setting place. It also has a freely openable door provided at the front of the box body to inject liquid, a washing brush provided in the housing of the robot camera to wash the front glass surface, a drying means to dry the glass surface after washing by the washing brush, and a supporting arm member which is provided in the box body, which can be moved to the back, front, left and right to support the washing brush and the drying method.