Based on the analysis of the current damage situation and causes of the existing buildings in the Sanlang Temple Music Tower,and based on the conclusions of this survey,surveying,and safety assessment,the impact of environmental conditions on the building itself and possible consequences are analyzed.According to relevant laws and regulations,the nature of its repair is determined as key repair and partial restoration.The purpose of renovation is to preserve and continue all the values of historical and cultural relics as much as possible,truthfully and comprehensively display all the information carried by them,and through the assistance of traditional techniques and modern means,to root out the damage caused by various reasons and the threat of existing diseases.On the basis of minimal intervention in the main body and surrounding environment of the Sanlang Temple Music Tower,the historical appearance of the Music Tower is restored to the maximum extent while preserving the traces of use and repair in various historical periods.Based on existing physical objects,the repaired structural system should be stable and safe,and there is no need for further repairs in a short period of time.