This product is a portable dental unit for oral professionals. The case is made of unbreakable plastic with a handle at the top and two wheels on the bottom to make it easy for the professionals to carry. 4 or 6 holders can be selected according to the demand, and can be equipped with scaler, light curing, handpieces and other devices. The internal sewage bottle system can collect the waste water and saliva during oral treatment. Another large capacity water bottle system to supply clean water for the instruments. This portable dental unit will bring more convenience and high efficiency to the oral treatment.