The newly found sales contracts of the Shi clan in Zhanmao village of Zhoushan provide valuable historical materials to research the land transaction in Zhoushan area of Qing Dynasty. These documents also help to study the economic status and folk life of eastern coastal areas in the period. These typical small-scale peasant contract documents mainly reflect the social situation of Zhanmao village during the Reign of Emperor Kangxi, Yongzheng and Qianlong. Each sale had small quantity and reflected the Zhanmao peasants’ poor life. According to the contracts, the land prices were not identical in different periods. Therefore, it is difficult to find regular information, but they can obviously reflect the clan culture of the time. A variety of contract documents has been consistent with the popular contract way in Zhejiang of Ming and Qing Dynasty. The contract documents also prove that the local residents’ life mainly depended on the fields, and indicated the agricultural life characteristics of Zhoushan residents.