At present, researchers are not sure whether there is depression or indulgence network first, but one thing is certain, that is a vicious circle between the two. Depression can make adolescents more addicted to the Internet and have depression symptoms Of young people have almost no life goals, and the virtual rewards obtained in online games are very attractive to them. Although the online world extends in all directions, the teenagers who are addicted to it are extremely lonely inside. This passage supports the view that:. ['There is a vicious circle between depression and the addiction network, which has a great negative impact on adolescents.', 'The internet world is in all directions, but the teenagers who are addicted to it are extremely lonely inside.', 'Depression can make teens more addicted to the online world.', 'Adolescents with depressive symptoms have basically no life goals, and the virtual rewards obtained in online games are very absorbing for them.']