A movable table comprises a main body part having a table and a receiving unit; a moving part provided at a lower end of the main body part; a power supply part provided at one surface of the main body part and having a power supply unit for charging or connection to power; and an image device part provided at an upper end of the main body part so that a position or an angle thereof is adjusted and having an image unit, wherein one or more of the moving part, the power supply part and the image device part are formed as modules which are removably attached to the main body part.