The Qiao Family Courtyard is mainly engaged in jewelry business.

Lu Da is a businessman. He was called the number one picker by his colleagues in Shanxi. He set his sights on Qiao Zhiyong, a young and promising young man who started doing business with the Qiao family. He knew clearly that Qiao Zhiyong was a man with a lover. For the sake of his daughter's love, Lu Dake investigated more than just The Qiao family had a business background, and the Lu family, who never borrowed money from their prime ministers, actually agreed to lend the Qiao family 300,000 taels of silver to revitalize their Baotou business. Lu Da can pay a lot of money to buy a promising young man as a son-in-law. This was because he was studying Lu Bu as a place to live, and in the eyes of businessmen, everything was filled with benefits. Running the Qiao family, a talented person who is about to go bankrupt, is actually a risk-free operation. He, Lu Dake, can borrow money under certain conditions. He uses all the stores of the Qiao family as collateral. If there are risks, it is also his Qiao family's business. If the Qiao family loses, the house belongs to his old Lu family, so he doesn't need to take it back and let his son-in-law live in it. The daughter will have face and status. If the Qiao family's business is successful, it will be the life-saving money borrowed by the father-in-law, and the daughter will still have a respectable position in the Qiao family.

Lu Da is an old man in business, and he is also a veteran in business. In his wise eyes, there are interests and more family ties.