Lub rooj hnav khaub ncaws yog ib qho ntawm cov rooj tog uas tsim los siv pleev thiab khaws cov khoom siv tawv nqaij; nyob rau hauv cov ntsiab lus niaj hnub no, lo lus feem ntau yog hais txog txhua lub rooj tog ua haujlwm rau qhov haujlwm no. Tus qauv qhov ntev feem ntau suav nrog tag nrho qhov siab ntawm kwv yees li 1,500 hli thiab qhov dav li ntawm 700 hli txog 1,200 hli, nrog ntau qhov ntau thiab tsawg categorized li loj, nruab nrab, thiab me. Cov qauv tsim muaj los ntawm cov chav nyob ib leeg mus rau kev sib xyaw ua ke; lub tabletop yuav tsum haum rau qhov chaw ntawm cov tshuaj pleev ib ce, thiab ib tug folding daim iav tsim yog pom zoo kom tso cai rau saib ib tug pleev los ntawm ntau lub ces kaum. Lacquered engineered ntoo yog cov khoom siv rau kev yooj yim ntawm kev tu.
Thaum lub sij hawm Wanli kav ntawm Ming Dynasty, Empress Dowager Cisheng tau ua nws txoj kev tu tu cev thiab kev thov Vajtswv ntawm qhov chaw "Dressing Table" hauv Qilipo, tsim kom muaj kev zoo nkauj hu ua "Moonlight Lingering at the Dressing Table." Cov rooj hnav khaub ncaws niaj hnub no muaj cov txheej txheem khaws cia sib cais uas tso cai rau kev sib cais ntawm cov tshuaj pleev ib ce, cov khoom tu tawv nqaij, thiab cov cuab yeej tu tus ntsia thawv, feem ntau siv tsis yog -cov ntaub npuag tub rau khoom kom khaws cov khoom me me kom huv si. Cov tswv yim siv tswv yim suav nrog khaws cov tshuaj tsw qab kom deb ntawm lub teeb ncaj qha, tu cov cuab yeej zoo nkauj tsis tu ncua, thiab tsis txhob tso daim iav ncaj qha rau ntawm chav nkag.