Mobile platform and operating method thereof

An operating method of a mobile platform comprising a base;

• a housing disposed above an upper surface of the base and forming a placement space for placing a work device with the upper surface of the base;
• and a travel mechanism disposed below a lower surface of the base for driving the housing and the base to move, wherein the lower surface of the base is provided with a groove and a bottom of the housing is disposed outside of an edge of the base;
• the operating method comprising:
• placing the work device into the placement space;
• and
• the travel mechanism driving the housing and the base to move, wherein during movement of the mobile platform, a liquid dripping on the mobile platform drips down along the housing when the mobile platform is in an upright state, and the liquid dripping on the mobile platform drips into the groove when the mobile platform is in an inverted state.