Objective To review a treatment of Tile B and Tile C Morel-Lavallée lesions with a texas scottish rite hospital (TSRH) and external fixation.Methods From September 2008 to September 2013,21 patients were operated with a treatment with TSRH system and external fixation.Results Those 21 cases were followed up from 12 to 24 months with an average of 15.8 months.All fractures were healed without osteomyelitis and patients showed no sing of limp.The rate of good recovery was reached 80.9％(17/21).Conclusions Internal fixation with TSRH system and external fixation for treating Tile B and Tile C Morel-Lavallée lesions can result in a high success rate.