This work established under the theme "metrology in the biomedical environment" had for main objective to bring the establishments of health to produce reliable results of analysis through the control of the metrological aspects of the measuring instruments within the framework of their activities. This work consists of three parts: - in the first part, we presented - the generalities on the structures of reception, the zone of study and the topic which is entitled "the metrology in the biomedical medium". Finally, the third and last part presents the personal work, in this part we presented the results of the study and interpreted them. Based on the analysis of the results of the surveys and interviews, an action plan for the compliance of the metrology function in health care institutions was established and followed by recommendations.The results obtained are not satisfactory given the degree of sensitivity of the health care field.