RESUMEN
Objective To evaluate the efficacy of traditional Chinese medicine which eliminating necrotic tissues and promoting granulation on pressure ulcer of Ⅲ to Ⅳstage using Meta analysis.Methods RCTstudies of therapy of eliminating necrotic tissues and promoting granulation traditional Chinese medicine for stage Ⅲ～Ⅳ pressure ulcer were searched,in which the control groups used routine methods,while the experimental groups adopted necrotic tissues and promoting granulation traditional Chinese medicine.Two reviewers assessed the documents'quality separately and completed data extraction.The statistical analysis was performed using the Cochrance collaborations' Rev Man 5.1 software.Results The cure rates for pressure ulcers of the experimental groups were higher than the control groups.The time of recovery of the experimental groups were shorter than the controls.The dressing change frequency of the experimental groups was less than the controls.Conclusions Traditional Chinese medicines which eliminating necrotic tissues and promoting granulation can significantly improve the cure rate,shorten the therapeutic time and reduce the frequency of dressing change.