Nowadays, all localities are responding to the call of the CPC Central Committee to dig deep into the traditional cultural resources of the region and revitalize the rural economy. Tongbai County has also put forward the slogan of "carrying forward the ancestral culture of Chinese tea and revitalizing the Chinese tea industry". However, due to its regional limitations, the existing propaganda mode still stays below the scope of the tea circle, and lacks the intervention of audio-visual media, Can not effectively highlight the product characteristics of Tongbai black tea, lead to poor sales of tung cypress black tea. The three-dimensional product promotional film of "Tea from the Beginning" starts with the image of Shennong, laying out the historical flavor of Tongbai tea. The copper tea in Shennong's hands turns into fresh green tea and appears in front of the audience. The tea buds are blown into the air by the wind in the tea garden, and the tea drifts to the stone gate in ancient times and flies into the depths of the forest, which is a metaphor for the historical source of Tongbai tea culture. Under a cloud of smoke, the tea leaves floated to the front of the ancient teahouse. As the gate of the ancient teahouse slowly opened, the tea leaves flew to the antique corridor of Tongbai tea house. In front of the table full of tea sets, it was shrouded in smoke and crossed to the front of modern commercial tea shops. The camera followed the tea leaves to the table with Tongbai tea products in the house. The tea leaves slowly spread out on the table and turned into water droplets dripping into cups. Through all kinds of montage editing techniques to show the sense of tea history through, under the change of the scene side to show the sense of tea history, full of Tongbai tea product connotation and cultural charm. This production uses three-dimensional software, in order to improve the cultural heritage of Tongbai tea by integrating the image of Shennong, based on the product itself, at the same time, integrating into the national culture can strengthen the cultural advantages of the product itself. The use of tea-related scene changes shows the vicissitudes of Tongbai tea through different times, from ancient to modern heritage charm. This short film strives to create the "emotional" and "legendary" characteristics of the product brand of Tongbaihong, making it glow with new splendor, expanding the breadth of publicity and opening up sales.