Dealing with heritage Hanoi Old Quarter

Properly solving the relationship between conservation and devel-opment is one of important requirements in development historic urban. The author approaches issue through case studies old Quarter, a special historical sites Hanoi capi-tal. process urbanization urban has af-fected made Old Quarter (HOQ) many changes. How to maintain HOQ been studied by scientists. Some results those have applied practice. Howev-er, are still moderate. This study focuses on compre-hensive review features its transformation both tangible intangible aspects. used field survey method secondary data for research. shown characteristics along with changes aspects economy, culture, society, science-technology architecture-planning. current status is: Population density too high; altered traditional functions; space, architecture landscape deformed characteristic elements gradually lost; polluted environment, technical infrastructure overloaded. article al-so discusses direction develop as his-torical without hindering smart sus-tainable development..