The portable dental unit is designed to be used to provide dentists with complete but simple dental equipment for temporary dental surgery. The CX standard configuration of a portable dental unit covers 1 set oil-free air compressor, 2 sets four-hole / two hole handpiece tube, 1 set foot pedal, 1 set 3-way syringe, 1 set water purification bottle, 1 sewage bottle, 1 set adjustable strong spitter, 1 stainless steel air tank.