Legal. In order to attract people, the network platform will have some reward tasks, whether it is ordinary audience or professional wool party. As long as it is rewarded within the rules of the platform, it is legal income and not illegal. Hengxin Digital Camp is an organization that provides online programming education. Headquartered in Beijing, it is a formal and legal company. It is legal for Hengxin Digital Camp to earn commissions by watching advertisements.