Our country’s urban renewal policy originated from the ""Old Urban Renewal"" Urban Planning Law enacted in 1973 in Taiwan. Later, with reference to the experience of advanced countries such as the United States and Japan, the ""Urban Renewal Act"" was formulated in 1998 as our country’s implementation of urban renewal. This Act is enacted to promote a well-planned urban land redevelopment, revitalize urban functions, and improve urban living environments and landscapes for the public interest through private sector efforts and efficiency. Additionally, urban renewal aimed to reduce the burden of related rights holders through floor area incentives and tax reduced/exempted, thereby increasing their willingness to participate. The urban renewal project plan and the rights transformation plan are the basis for the actual implementation of urban renewal. After the plan is submitted to the competent authority for approval, the implementer team will undergo review, correction, public hearings, director meetings, hearings, etc. and other procedures, the last and most critical procedure is to pass the urban renewal review. The contents of urban renewal project plans and rights transformation plans involve urban planning, architecture, landscape, transportation, finance, valuation, land administration and other related majors. Regardless of public welfare issues such as urban renewal floor area incentives, pedestrian walkways and open space reservations, construction and donation of public facilities, donation of public welfare facilities, etc., as well as architectural planning and design, value assessment, and selection of housing units (including parking spaces) and rights distribution and other private rights issues are all matters for urban renewal review. The review committee members, representatives of the competent authorities, and the implementer team weigh public and private interests and the feasibility of the plan through briefings, question-and-answer review procedures, and arrive at the final review result. This is a difficult task that requires both efficiency and effectiveness. This study conducted a questionnaire survey on practitioners related to urban renewal, and conducted an importance and satisfaction survey on 10 review quality matters such as the notification time of pre-meetings for urban renewal review in Taipei City, and 14 review matters such as floor area incentives; and used Importance-Performance Analysis (IPA), conducts statistical analysis on the returned questionnaires, and selects factors with high importance and low satisfaction as key factors for improving urban renewal review, including: appropriate number of cases for deliberation, 7 items including clear and concise resolutions, registration of objections (issues), committee members attending the review (composition), construction costs and special factors plus costs, value assessment before and after the urban renewal, and the implementer’s handling of objections are provided. It is a reference for competent authorities, implementers, and urban renewal-related practitioners to improve urban renewal review works.