The meaning conveyed by the topic "Dream Back to Prosperity" is to describe a person who once enjoyed a rich, prosperous and happy life in the past. Due to natural disasters, wars or other uncontrollable factors, this person lost that wonderful time and can no longer experience that kind of prosperity and joy in reality. When dreaming, "dream back to prosperity" becomes a psychological state or emotional expression, and relives the precious and happy days that I had before in my sleep.