After having identified the plant study material (Aloe vera L.) by the macroscopic appearance and under the photonic microscope observations of the stem, leaves, flowers and rhizomes we carried out extractions of the juice and the gel. Studies of antimicrobial activities have been completed.The results obtained show that the extracts of the gel and sap of Aloe vera (L) revealed that the sap of Aloe vera has an antibacterial power versus Escherichia coli and Staphylococcus epidermidis.Hemostatic study revealed that the sap and gel of Aloe vera have a coagulation power
