市场营销学是研究市场商品营销活动、营销规律、营销方法与营销策略的科学。现在,市场营销学理论的研究领域不断深化、细化,出现了公共关系学、推销学等专门学科。市场营销学理论的应用范围也不断扩展,出现了营利市场学和非营利市场学等分支。 Marketing is the science of studying market merchandising activities, marketing laws, marketing methods and marketing strategies. Now, the research fields of marketing theories have been continuously deepened and refined, and special disciplines such as public relations and marketing have emerged. The scope of application of marketing theory has also been continuously expanding, and branches such as profit marketing and non-profit marketing have emerged.