To provide a washing machine that is compact, low noise, fungiproof and antibacterial, nonmalodorous, economical and can perform processes from washing to pressing.

The washing machine adopts ultrasonic wave and ozone cleaning methods, and has a washing section, a rinsing section, a drying section and a pressing section and puts each piece of the washing in a washing bag and continuously carries the bags and washes them. This method makes an effective ultrasonic washing possible, saves energy, water and a detergent used. Furthermore, the washing machine can wash itself and can be used cleanly.