Pre-construction quality management is mainly through the establishment of construction quality plan to achieve. Make the project quality plan, first determine the quality target, then make the construction plan, then set the quality control point, and finally implement it to the person in charge. Quality Management before construction must give full play to the overall advantages of the former form of advanced construction technology, management methods and practical experience reasonable and effective application of new projects. Before construction, it is necessary to make a detailed analysis according to the construction characteristics, quality factors and so on, to find out the places where mistakes are likely to occur, and to formulate effective control measures and schemes.