What was the main content of the first Harry Potter book?

Harry Potter and the Sorcerer's Stone was a fantasy novel by JK Rowling. It told the story of an orphan, Harry Potter, who found out that he was a wizard on his 11th birthday and was taken to Hogwarts School of Witchcraft and Wizardry to study magic. This book mainly tells the story of Harry Potter's study and life at Hogwarts, as well as a series of horror events that he and his classmates faced together, including the rise of the Dark Wizard Voldemort, the death of Harry's parents, the loss of the Sorcerer's Stone, and the final battle between Harry and Voldemort.