按行政行为是否直接发生效力来划分 ,可以把行政行为分为事实行为和法律行为。事实行为 ,是指不直接发生法律效力 ,只是对一定的客观事实予以证明的行政行为。如国家产品质量监督部门对产品质量进行的鉴定 ,食品卫生行政管理部门对某食品成分出具的认证结果等。法律行为 ,是指 Divided according to whether the administrative act takes direct effect or not, the administrative act can be divided into the factual act and the legal act. The factual act refers to the administrative act that does not directly have the legal effect but only proves certain objective facts. Such as the national product quality supervision departments to identify the quality of products, food hygiene administrative departments issued a certification of the results of food ingredients. Legal act means