Smartphones have become essential in our lives but books still play an important part in our lives and provide many benefits. First we will talk about smartphones. The device is very compact, can be carried anywhere, has a camera that can save the pictures you want or record moments very quickly, has positioning only when you do not know the way and many other amenities. Smartphones can also communicate, notify loved ones quickly, Keep you entertained everywhere when stressed. Besides the convenience of smartphones, books are also a means of entertainment and learning. Books are like a treasure of knowledge handed down for centuries. Books provide knowledge and stimulate the curiosity of many people. Books open up wisdom and understanding for us, leading us into deep mysteries of the world around us: from rivers, forests and mountains to the vast universe. Books take us into a world as huge as a galaxy, as tiny as a particle of matter. The book has an extraordinary vitality that transcends all limits of space and time, bringing us "back to the past", to historical events, the fierce struggles of the ancient dynasties. Either give us wings to imagine tomorrow or help us understand the present more deeply. Literary books bring us into a world of human souls of all ages so that we can sympathize with the lives, share the joys and pain of the nation and humanity. Books not only help expand knowledge but also bring happiness and serenity to the soul. It is thanks to books that sometimes, people discover their own strength, find practical truths for their own life path, expand their understanding of the world around them,... Both smartphone and books bring benefits to our life.