Active intervention，negative intervention and dispelled intervention are three types of state intervention in the environmental actions of subaltern society，leading to completely different results. As the first case of Chinese marine pollution claims，“Tasman Sea”oil spill incident created the precedent of safeguarding the national marine ecological rights and interests. In the environmental action of "Tasman Sea" oil spill，state's active intervention is the key to subaltern success. Although the scale's intervention aims at protecting the marine environment，it provides effective institutional channel and technical support for the subaltern，improves the level of organization and guarantees the implement of verdict. In general，the selection of state intervention leads to the insufficience of institution indemnification of interests safeguarding of subaltern society. Therefore，in order to safeguard the subaltern society's interests effectively and the benign running of the society，the institutionalized intervention mechanism must be established.