成文法固有的非完备性、语言载体性特征以及它所追求的普遍公正、相对稳定与现实社会关系所要求和体现的个别公正、不断变动之间的矛盾性 ,使得行政自由裁量的存在成为必要。而它运作上的“自由性”和“封闭性” ,又决定了其更易受执法者素质、权力、金钱等非客观因素的影响而导致枉法、不当裁量的发生 ,严重影响法律适用的准确和公正。为此 ,必须大力强化立法、法律解释工作 ;建立对执法者严格的考核任免和责任追究制度 ;加大程序公开力度以及为监督行政创造条件等 ,保障行政自由裁量的有效运作 The imperfection of statute law, the characteristic of linguistic carrier and the contradiction between the fairness and relative stability and the individual fairness and constant change required and embodied by the universal justice, the relative stability and the realistic social relations it pursues make the existence of administrative discretion necessary. And its operational “freedom” and “closure” also determine that it is more susceptible to the non-objective factors such as the quality, power and money of the enforcer, which leads to the infringement of law and improper discretion, which seriously affects the accuracy of law application just. To this end, we must vigorously strengthen the legislative and legal interpretation work; establish a rigorous examination of the law enforcement appointment and dismissal and accountability system; to increase the openness of the procedure and to create the conditions for the supervision of the administration, to ensure the effective operation of the administrative discretion