根据行政复议法的规定 ,第三人是指同申请行政复议的具体行政行为有利害关系、参加行政复议的其他公民、法人和其他组织。作为行政复议的第三人 ,具有以下特征 :１ 第三人同申请行政复议的具体行政行为有利害关系。２ 第三人是为了维护自己的合法权益而参加行政复议。３ 第三人 According to the provisions of the administrative reconsideration law, the third party refers to other citizens, legal persons and other organizations that have an interest in the specific administrative act that applies for administrative reconsideration and participate in administrative reconsideration. As the third person in the administrative reconsideration, the third person has the following characteristics: 1 The third person is interested in the specific administrative action for applying for administrative reconsideration. 2 The third party is involved in administrative reconsideration in order to safeguard his legitimate rights and interests. 3 third person