Abstract: As an actively precautionary liability manner,the removal of harmfulness is one of civil liability of environmental invasion.But it is useless in practice caused by the particularity of environmental invasion,the effect of our country’s present condition and the faulty country’s relative law.We should perfect our country’s law of the removal of harmfulness and consider the use of principle of benefiting balance and introduce environment public welfare lawsuit so as to make the liability manner of environmental invasion effective in reality.