横向限制竞争行为主要指卡特尔行为,其具有行为主体的复数性、行为的一致性、行为目的的限制竞争性等特征。横向限制竞争行为的构成要件包括主体要件、合意要件、排除限制竞争、足以影响市场竞争机制功能的发挥四个方面。横向限制竞争行为的例外要件需符合卡特尔的构成要件、符合反垄断法所规定的公益条款、行为符合法定类型并申请豁免或自动豁免。 Lateral restriction of competition mainly refers to the behavior of cartels, which has the characteristics of the pluralism of the actors, the consistency of the behaviors and the restrictive competition of the behaviors. Constituent elements of horizontal restrictive competition include the main elements, the desired elements, excluding restricted competition, sufficient to affect the function of the market competition mechanism play four areas. The exceptions to the horizontal restraint of competition must be in line with the constitutional requirements of the cartel and comply with the provisions of the public interest provisions of the antitrust law. The acts comply with the statutory type and apply for exemption or automatic exemption.