From 1978 to 2018, China's charitable sector has developed rapidly. Especially in the past decade, legal regulation, platform development, public welfare project design, and public participation have achieved leapfrog development. Governments, enterprises, social organizations and other parties are promoting the growth of public welfare institutions in a transparent and effective way. With the further regulation of public welfare fundraising platforms and charitable organizations, behind the "99 Public Welfare Day", "Children's Gallery" and other public welfare "explosive models", it is the wave of "public welfare productization" under the Internet era. This article will explain the leap-forward development of mainland charity and public welfare from the historical evolution and regulations, and introduce the characteristics of public welfare marketing in the Internet era through cases.