My grandpa is currently writing his memoir and he tells me that many seniors in our community are also writing theirs. My grandpa tells me about the difficulties and confusions he encounters when writing his memoir, and asks me for some advices. I am currently in UCI’s writing class and learn argumentative writings, and I also learned personal narrative writing before. With my several years of writing experience and one year’s writing training in college, I conclude some writing principle in personal narrative writing. However, through my discussions and conversations with my grandpa and observations of some other seniors in our community who are also writing memoirs, I find some common mistakes they make that don't follow these principles. I'm very pleased to give some suggestions to the seniors in our community on improving their memoir writing. But besides telling some specific rules about writing, I also want to discuss that why do we share our stories of our lives. We have to know that what memoir writing can bring us, rather than blindly start writing. Memoirs can benefit us because by writing the history of ourselves in the memoirs, both writers and readers can learn lessons from the mistakes the writers made, and in a larger scale, the mistakes of the whole society. We can learn lessons from history, and avoid making the same mistakes. An important principle of writing memoir is to be honest. Being honest means that you need to tell the truth about your own real story and feelings. Making up a fake story, or denying something that really happened are not acceptable in memoir writing. Honesty help you present readers a real scenario of things happened in the old days. For example, my grandpa has been through so many historical events in Chinese history, and an important one is the devastating Cultural Revolution. During the period of the Cultural Revolution, almost all the people in China went crazy and totally believed in t