随着城市化的加快,为了城市新的规划,房屋拆迁在所难免.一直以来我国的城市拆迁过程中出现的矛盾很大程度上是公权和私权之争的结果.本文通过对拆迁过程中的权力之争分析,并提出在房屋拆迁中运用正当防卫的条件和适用情形,力争在公权中通过正当防卫解决私权救济的问题. With the acceleration of urbanization, in order to the city’s new planning, house demolition is inevitable.However, the contradictions in the process of urban demolition in our country have been the result of the dispute between public rights and private rights to a great extent.This paper analyzes the demolition process Analysis of the power of the dispute, and put forward the use of due diligence in the demolition of housing conditions and the application of conditions, and strive to pass public defense rights to solve the problem of private remedies.