Auxiliary examination is a major factor contributes to diagnosis and treatment. The article expounded the intensified preengaging platform for auxiliary medical checkup,which was a effective method for optimizing the procedure of examination and reducing the time limit of preengagement,analyzed the problems existed in the preengagement system,and then put forward the specific way and experience of the construction of preengaging platform for auxiliary medical checkup,such as observing the rules and applying in the flexible way,giving service to both patient and medical department,and combining dynamical management with continuous improvement.