从企业重竞争、轻联合状况的分析入手，探讨了企业在竞争与联合中的最佳状态、功能作用及运行机制，分析了适度联合的优势，提出了“适度联合”的思路．论述认为：适度联合有利于建立整个行业发展的竞争规则，可以削弱行业潜在进入者的竞争压力，可以提高行业内部凝聚力，可以减少或制约恶性价格竞争行为，可以保障新产品、新技术的利益。 Starting with the analysis of heavy competition and light joint status of enterprises, this paper discusses the best state, function and operation mechanism of enterprises in competition and cooperation, analyzes the advantages of moderate combination and puts forward the idea of ​​“moderate combination.” The dissertation holds the view that a proper combination of competition rules conducive to establishing the development of the whole industry can weaken the competition pressure of potential entrants in the industry, increase the cohesion in the industry, reduce or restrict vicious price competition, and protect the interests of new products and technologies.