c1 of the hand washing bowl c and a front wall c2 around the opening project out of the cover panel 29 and at the same time a code 26a pulled out of the control part 26 can be connected to a power supply code 26b arranged outside of the cover panel 26b the functioning part of the toilet cleaning water injection device 21 corresponds to the water supplying pipe 21b and the solenoid valve 21c except for the water injection nozzle 21a and a base end of the water supplying pipe 21b is passed through the cover panel 29 and projected outwardly and can be connected to the main water supplying pipe 21e through a connector 21d the functioning part of the bowl cleaning device 22 corresponds to the water supplying pipe 22b and the solenoid valve 22c and a base end of the water supplying pipe 22b is connected to the midway part of the water supplying pipe 21b of the toilet cleaning water injection device 21 through a branch pipe 22b thereby cleaning water is supplied a base end of the drain pipe 22f to be connected to the hand washing bowl c is also passed through the cover panel 29 in the same manner as that of the water supplying pipe 21b is projected outwardly and can be connected to the main drain pipe 22i through a connector 22h the functioning part of the hot air heater 23 corresponds to a flexible pipe 23b and a hot air generating machine 23c except for a blowing nozzle 23a and the hot air generating machine 23c is mounted and fixed on a mounting plate 32d arranged in the fixing frames 28 the functioning part of the air bleeding device 24 comprises air bleeding pipe.