A poor farmer's son has access to the "era Taobao system" that enables two-way transactions - selling wild eels, loaches and other mountain products to collect remittances, and buying in-demand coupons such as sewing machines and bicycles. In the first month, he saved enough money to build a new house and sent the found refugee sisters to school, and induced major grain producers to jointly open oil mills. Taking advantage of the information gap, he stocked up on old wine, stamps, etc. To appreciate in value, and transformed into real estate and private schools in the late 1980s.