Removable partial denture, the simplest requirement is to be able to use and chew, which can better solve the patient’s eating problem. When it is designed up: first, to meet the requirements of retention and stability, is able to wear; second, so that the patient is easier to take off and wear, because the main advantage of removable partial denture, is able to take off and wear, can be cleaned, can be conducive to the health of the abutment teeth; third, according to the patient’s specific situation, check the teeth, it is required to also have aesthetic, small foreign body sensation. Another example of this tooth, wear the tooth has not taught the patient how to remove, wear, clean teeth. It is best to wear the denture after the need can be repeated at any time. So according to this design requirements, or depending on the patient’s situation specific analysis.