After 5 years of preliminary research , 4 months of uninterrupted documentary photography,“Master in the Forbidden city”entries into the the ancient imperial palace with young perspective, records and reveals the restoration technology of top Chinese cultural relic . The film not only records the repair skill of bronze wares, clocks and ceramics, wood, lacquer, treasure inlay and embroidery and other palace treasures, but also shows the cultural relics restorer's life that still carry on Chinese traditional friendship of master and apprentice.