How should we deal with stress?

How should we deal with stress?  After graducating from the high school and entrolling in the university, I felt the biggest problem is that: it seems like that I am a free and happy girl without uncontrolling of parents and teachers neither on study nor on life, but the fact is not like that:  I suffer from the stress and anxiety now and then for I don’t know how to spend the time and learn to do everything in person. In other’s eyes,I always take my schoolbag to study, to be honest, I don’t know how much I really understand and keep in mind. I also want to broaden my extent of knowledge, all these make me anguish. At this point, I always walk to a quiet avenue and sit down to the grass, deeply breath, then lay a book I like on my leg, and begin to read, follow the main role’s sadness and happiness, I am also sad or happy, while taking myself out of the story, I always forget all. Besides, I would like to find a confident to talk , speak out what I am anguish with, listening to situation all can not meet with, I am willing to find a corner to listen to other music or to play  ping pong, basketball, run and so on.  In my opinion, appropriate stress is needed ,because after that, our mood like the rainbow is much more excellent, yet it must be controlled to some proper extent.  After stress, you yet must confront with all want you must face, you must try to do it by yourself. It is said that：keep sadness all day it is a day, keep happiness all day it is also a day, then why not lead a happy day? So trying to control your spirit high.