Therefore, if ordinary people want to make money, they must solve problems for the market and meet the needs of the market. Just like in the first 30 years of reform and opening up, due to material shortages and people's limited consumption power, the demand for the market was more based on product functions. At that time, the entire market was fragmented. Whether it was a manufacturer, a distribution channel, or a terminal merchant, as long as the source of the goods was able to obtain huge spreads through trade.