The Caocaocao hall is the place where the owner of the garden Zhang Jingxiu paints and rests, it was not a thatched cottage nor was built hastily. It is named by Zhang Jingxiu to commemorate his life in the army, and at the same time warns himself: a person's conduct and work, neither can be taken indiscreetly.When he recalled his army life in Guangxi and other places，he said: “When he was in the army, he would eat when he was hungry, sleep when he was sleepy, and in the morning he would wash up briefly and set out.”But he believed: "People should not be too casual and careless for such people are vulgar, thus everyone should avoid becoming such people." So that he“ avoided becoming such people and used ‘Caocaocao’as the name of hall. ”