Bonus hunter refers to the net-earner who uses various online financial products or red envelopes to promote offline lottery tickets to make money, which generally refers to collecting preferential information from various banks and other financial institutions and various businesses, so as to achieve the purpose of making profits. This behavior is called bonus hunter. The definition of "bonus hunter" is not limited to the field of internet finance, but has penetrated into all fields of society. Many activities, such as take-away coupons, discounts, phone bills, traffic, etc. , can be called bonus hunter.

With the development of modern society, "bonus hunter" will appear in many places in daily life. For example, there will be vouchers for carpooling, charging phone bills to send traffic, buying milk tea to get one free and so on. Especially on a certain festival, many coupons will be sent to consumers' accounts, and sometimes the amount of coupons will be very small, so consumers can't win this wool. But in fact, bonus hunter's purpose is to make money from these tiny gaps.