1 Factors Affecting the Quality Construction 1.1 Construction question of implementation procedures, without construction permits in the case of construction, belonging to the basic construction of a flagrant violation of procedural requirements, but in addition to this irregularities, construction engineering construction drawings also appear in the review lax, use of substandard construction drawings, construction lack of supervision, quality control and other risks of irregular behavior, to the quality of project management left a man-made hazards.