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The environment surrounding Wolf-Rayet star HD 211853 is studied in molecularemission, infrared emission, as well as radio and HI emission. The molecularring consists of well-separated cores, which have a volume density of 10$^{3}$cm$^{-3}$ and kinematic temperature $\sim$20 K. Most of the cores are undergravitational collapse due to external pressure from the surrounding ionizedgas. From SED modeling towards the young stellar objects (YSOs), sequentialstar formation is revealed on a large scale in space spreading from theWolf-Rayet star to the molecular ring. A small scale sequential star formationis revealed towards core A, which harbors a very young star cluster. Triggeredstar formations is thus suggested. The presence of PDR, the fragmentation ofthe molecular ring, the collapse of the cores, the large scale sequential starformation indicate the "Collect and Collapse" process functions in this region.The star forming activities in core A seem to be affected by the"Radiation-Driven Implosion" (RDI) process.

Triggered star formation surrounding Wolf-Rayet star HD 211853