Amidst the books on patronizing brothels,originated in Tang Dynasty and culminated spectacularly in Qing Dynasty,only Yu Huai's "Notes on the Slats Bridge" written at the turn of Ming and Qing Dynasties is beyond the reach of others with special realm and does not fall in conventional flowery style due to its authentic historical value,"sentiment of remembrance of past times" contained in it,the taste of objects,the real feelings without a touch of sex,and the technique of writing between the false and the true.