The invention discloses a multifunctional new energy source automobile charging device. The multifunctional new energy source automobile charging device comprises charging boxes, bathrooms and solar power generation devices, wherein the bathrooms are arranged at two sides of the charging boxes; the solar power generation devices are mounted at tops of the charging boxes and the bathrooms; a display screen, a card plugging-in hole and a baffle are arranged at one side of each charging box; each charging box is internally provided with an intelligent processor, a storage battery and a wireless signal receiver; the upper ends of the baffles are connected with the charging boxes and baffle handles are arranged at the lower ends of the baffles; charging devices are mounted in the baffles; card swiping devices are mounted in the card plugging-in holes; each bathroom is internally provided with a methane tank and a methane power generation device; a bathroom door is mounted at one side of each bathroom and a door handle is arranged at one side of each bathroom door. The bathrooms are arranged at two sides of the charging device so that a driver can conveniently relieve oneself when an automobile is charged; each bathroom is internally provided with the methane tank and the methane power generation device so that wastes can be utilized and garbage including excrement and the like can be used for generating power, so that electric energy is provided for charging the automobile.