Connecting with civil law, real right law, contract law and other theories, this paper probes into the legal effect of prepaid coupon system, the significance of registration of prepaid contract, the feasibility of “ unfinished buildings scalping” and the validation of mortgage right in the mortgage of.

The author takes the streets of one of the oldest traditional urban community of Hankow----Hualou Street as research object, through some effective methods such as literature reading, field study, graphic drawing to study the permeable characteristic of its street form and the impact to the community vigor.

The article mainlydiscusses the Huizhou Factions carving art of engraved drama stage,sect and the historical and cultural source of the s.

The Study of Mortgage s Legal Nature and System Perfection in China;