If you give me three days of light, it mainly describes Helen's life after blindness and deafness. At first, Helen was disappointed with life. She faces life with negative thoughts. She has a bad temper and often loses her temper. She feels that there is no hope in real life, and how much she looks forward to regaining the light. With the help of her parents, she helped Helen find a teacher, Anne Sullivan, who became a guide to Helen's new life and rekindled her hope and yearning for life. Under the patient guidance of Sullivan, Helen learned to read, learned a lot of words, and made her feel the love everywhere. With the passage of time, accompanied by teachers and relatives, Helen experienced many "fresh" things, spent Christmas with her family, embraced the ocean and "enjoyed" the four seasons ... Helen grew up and met many difficulties in her school career, but at the same time she made many friends ... Because of her indomitable spirit, Helen learned to speak and write in her studies. Although Helen met some unhappy things in the process, she didn't give up. Finally, her efforts paid off, and she realized her college dream with her own sweat and entered Harvard University. Because of some physical defects, heavy homework made her very hard, with the help of the teacher and her efforts. In the end, she graduated from college with honors and mastered five languages: English, French, German, Latin and Greek. But after graduating from college, she met a sad thing-the death of her loving mother. This book also introduces some great people Helen met in her life, such as Edison and Mark Twain ... It also introduces her different colorful life and her charity activities.