In 2018, E-commerce live was flourishing. In 2019, major enterprises began to pay attention to it. In 2020, COVID-19 epidemic boosted the development of the "stay-at-home economy". In 2021, livestreaming selling constantly thrives. In contrast, the stagnation of physical stores, rent, labor costs and inventory expenses, like a mountain, pressed on traditional enterprises to accelerate the digital transformation. The transformation coincides with the arrival of the 5G commercial era, bringing huge opportunities for new content forms in industries such as gaming and livestreaming.