Based on the roof broken roadway support of Dongqu Mine, the support form was studied, the principle of support was given, the roadway surrounding rock control model was set up according to the actuality of the mine. The control mechanism of surrounding rock in different roadway support was analyzed, bolt-shotcrete and combined support plan net( steel belt or U steel ) + anchor bolt was finally settled, with the relative parameter in the support, the observation on the site showed the goof effect of the support plan.