合理原则和本身违法原则是反垄断法中用于判断限制竞争行为违法性的两大原则。合理原则的内涵彰显了反垄断法的基本精神,它既是适度干预原则的体现,也能动态的反映反垄断法的价值目标,还能贯穿适用于反垄断法中,它是反垄断法的基本原则 The principle of reasonableness and the principle of illegitimate itself are the two major principles used in the antitrust law to judge the illegality of the act of restricting competition. The connotation of the principle of reasonableness shows the basic spirit of antitrust law. It not only reflects the principle of moderate intervention, but also dynamically reflects the value goal of antitrust law. It can also be applied to antitrust law. It is the basic of antitrust law in principle