When selecting the construction site, a comprehensive evaluation shall be made for the seismic favorable, general, unfavorable and dangerous sections according to the engineering needs and seismic activity, engineering geology and seismic geology related data. For unfavorable sections, avoidance requirements shall be proposed; When it is impossible to avoid, effective measures shall be taken. For dangerous areas, it is strictly prohibited to build Class A and Class B buildings, and Class C buildings should not be built.