"A Simple Soul" is a touching novel by the famous French writer Gustave Flaubert. The book tells the story of Felicity, a simple servant from a provincial town, who devoted her whole life to serving her mistress and suffering through failures and losses. Felicita is a bright figure, full of kindness and simplicity, she works selflessly to ensure comfort in the house of the lady, she loves her fourteen-year-old daughter from the bottom of her heart. Her life perfectly fits the principles of forgiveness and selfless love. In this subtle and emotional story, Flaubert examines the issues of simplicity, faith and the search for the meaning of life through the lens of Felicita's simple but great soul. The book "A simple soul" remains one of the best works of French literature of the 19th century, which fascinates readers with its depth and insight.