The reason why Liu Tong left Enlight Media could be considered from the perspective of his personal experience and career development. Before Enlight Media, Liu Tong had served as the marketing director of a medium-sized media company. However, due to the adjustment of the company's overall development direction and strategy, he eventually left the company. In the process, he realized his shortcomings in marketing and also realized the development trend and changes in the media industry. After leaving Enlight Media, Liu Tong began his journey of starting a business and established his own Internet company. He encountered many challenges and difficulties in the process of starting a business, but he gradually achieved success through continuous learning and practice. In the process, he gradually accumulated more experience and connections. After returning to Enlight Media, Liu Tong believed that the experience and lessons he had learned in the process of starting a business could help him better adapt to and cope with the competition and changes in the media industry. At the same time, he also hoped to be able to play his own advantages and influence in a large media company like Enlight Media to contribute to the development of the industry. Therefore, Liu Tong left Enlight Media because he recognized his shortcomings in marketing and sought new development opportunities and challenges. He returned to Enlight Media because he thought it was a school that could give full play to his advantages and influence. He hoped to continue learning and growing here.