Reborn as a dismissed petty official, penniless. In order to survive, he created the first "Floral Essential Oil Soap" and "Mint Toothpaste" in the Tang Dynasty, and set up a stall in the night market. They quickly became popular due to their novelty and ease of use. In the process, he met Li Mingyue, who secretly invested in shops, and the two hit it off and established "Xiaoyue Trading Company". Lin Xiao used his knowledge of chemistry to improve the salt-making method to extract snow-white and delicate "snowflake salt"; he also used distillation technology to brew a high-quality "flame wine". It touched the interests of traditional salt merchants and wine merchants, and attracted commercial suppression. With Li Mingyue's maneuvering and Cheng Chumo's "physical persuasion", the situation was successfully broken. In order to expand production, Lin Xiao designed water-driven textile machines and blowers, which increased efficiency a hundred times. He established the first "industrial park" in the Tang Dynasty, recruited refugees, and carried out standardized production management. This move aroused Changsun Wuji's alarm and began to suppress him politically. He founded the "Chang'an Kuaiwen" newspaper to control public opinion and break the situation. Later, Li Shimin officially included Lin Xiao in the "Empire Partner" program. Lin Xiao presided over the construction of cement official roads, innovated steel-making methods, and designed more advanced curved shaft plows and barrel carts, which greatly increased agricultural output. His wealth and influence expanded rapidly, and he was knighted...