公益广告反映的是社会主流文化,对人们的道德观、价值观、人生观产生着深刻的影响。公益广告最早出现在20世纪40年代初期,一些发达资本主义国家的大公司敏锐地意识到公益广告可以突出强调企业的社会责任意识和爱心,成为企业与公众之间最好的沟通渠道,树立企业良好的社会形象。他们通过公益广告的频繁播出强化企业的品牌形象,同时也起到了一定的社会教化作用。 Public service ads reflect the mainstream culture of society and have a profound impact on people’s moral values, values ​​and outlook on life. Public service ads first appeared in the early 1940s. Some big companies in developed capitalist countries are keenly aware that public service ads can highlight the corporate social responsibility awareness and love, and become the best communication channel between enterprises and the public, and establish enterprises Good social image. Through frequent public service announcements, they reinforce the brand image of the enterprise and at the same time play a role of social enlightenment.