Affected by the epidemic, offline job fairs where people gathered were initially resolutely cancelled. However, most employers have not reduced recruitment needs and are exploring forms such as "aerial recruitment," with online recruitment and delayed entry being the main methods. Some companies have announced the implementation of "non-contact spring adoption,"" and most have seen research and implementation of "contactless spring adoption" and "aerial adoption," as well as online recruitment and delayed entry, becoming mainstream, delivering a situation that benefits both companies and college students.Its convenience is largely reflected in the following aspects:(1) There are many opportunities. Online job openings allow college students to get more choices and find their favorite positions without leaving home. (2) Low cost. Compared to traditional recruitment methods, companies have saved money on participation in job fairs, while college students have done less hard work round-trip and reduced transportation and accommodation costs. (3) Please make a reservation sufficiently. With the gradual improvement of the epidemic and the gradual resumption of work by companies, the demand for employment increases exponentially, allowing online recruitment to secure talent in advance.