Bonus hunter was originally defined as "bonus hunter", following the practice of "bonus hunter knitting a sweater" in Aunt Baiyun's sketch in the Spring Festival Evening. The so-called bonus hunter refers to the net-earner who uses various online financial products or red envelopes to promote offline lottery tickets to make money, and also refers to the collection of preferential information of various banks and other financial institutions and various businesses, so as to achieve the purpose of profit. This behavior is called bonus hunter.

At present, 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, sending phone bills, sending traffic and so on, can be called bonus hunter.

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Bonus hunter's original intention was to say that in the past, when the poor herded sheep for the rich, they secretly pulled some wool from the sheep, and each person pulled a little, which could be used to make clothes. Imitating Aunt Baiyun's practice of "bonus hunter knitting a sweater" in the sketch of Spring Festival Evening, it is defined as "bonus hunter".

In the sketch of the Spring Festival Evening, she said that she was so stupid that she only pulled wool from a sheep. As a result, the wool fell too fast and was found by others. And these sheep are public property, and wool is also public property. Bonus hunter's theft of public property was a very serious political problem at that time.