Aims: To investigate properties of [CII]158 \mum emission of RCW36 in a dense filamentary cloud. Methods: [CII] observations of RCW36 covering an area of ~30 arcmin\times30 arcmin were carried out with a Fabry-P\'{e}rot spectrometer aboard a 100-cm balloon-borne far-infrared (IR) telescope with an angular resolution of 90 arcsec. By using... Show more