Abstract：By using GSJ-1 rock pressure equipment, DZ-WCI hydraulic prop yield load inspection instrument and steel tape to proceed full measuring of rock pressure in 11103 sub-level caving mining of the Bao Yu Shan coal mine.The character of roof movement law, presentation law of rock pressure and roof control are grasped.Through which assess against reliability and adaptability of support equipments which are used in 11103 working face, give reference for improving and refreshing of equipment, define the picked movement incidence and distribution rule of supporting pressure, and choose reasonable support way.

Keyword：supporting pressure;sub-level caving mining;rock pressure;