Lin Daiyu was one of the main characters in Dream of the Red Chamber. The cause of her death had always been a hot topic. At present, there are many different versions of Lin Daiyu's death. The following are the two more mainstream versions: Lin Daiyu was poisoned by Jia Baoyu in Dream of the Red Chamber. This statement first appeared in the Doujin novel " The Love Between Bao and Dai " in " Dream of the Red Chamber ", but was denied by the original author, Cao Xueqin. According to the plot of the original novel, Lin Daiyu and Jia Baoyu had a very deep relationship, but Jia Baoyu was criticized by Grandmother Jia as "useless" at Lin Daiyu's birthday party, and then his depression eventually led to his mental breakdown and suicide. 2. Lin Daiyu was accidentally murdered in Dream of the Red Chamber. Another theory was that Lin Daiyu was described in the novel as a very fragile woman who often had physical problems. Once, when she was taking a walk by the lotus pond in the Grand View Garden, she suddenly fainted and was discovered by Grandmother Jia and others. She was treated in time, but she still died unfortunately. No matter what, Lin Daiyu's death was a sad scene in 'Dream of the Red Chamber'.