Content related cyber crimes and gray industry chain have become a common problem，which not only affects the reputation of the platform and disturbs the market，but also has an negative impact on the internet ecology. Based on Cyber Information and Content Governance Regulation，this report consider content related cyber crime as activities like article spinning，malicious marketing，click farming，which seriously harms the internet ecology. Based on the content governance practice of a we-media platform named Da Yu and a news app named UC，this report finds out that content related cyber crimes and gray industry chain are most common in producing pornological and gamble related content，using exaggerated headlines and spreading wrong values. To recognize content related cyber crimes and gray industry chain，one can judge from the headline，content and producing procedures of certain internet contents. Furthermore，we also advocates to build a comprehensive governance system with guidance from the government，participation of online platforms，co-governance in the industry and interaction with scholars.