Jealousy not only exists in all people, but also is a very complex emotional experience of human beings. The function of jealousy also has multiple functions, which integrates good and bad factors into one. Jealousy plays different roles in different fields and produces different effects on different people. For example, in the field of love and love, jealousy can make people feel pain and hate, but it can also make people excited and cherish the love they have obtained; in the field of work and career, it may make people angry and miserable, but it may also make people more intelligent and more hardworking; in the field of interpersonal relationship, it can be a killer between people, but it may also become more understanding after fighting Self, more understanding of others. Therefore, jealousy not only produces negative results, but also contains positive motives. Where jealousy leads people depends on everyones deep understanding of the meaning of life and what function you will choose or reject.