ABSTRACT This aims of the study were to determine the species of fungi contaminated chicken broiler consentrate and to find out the inhibition of crude extract's leaves of caliandra. The samples were taken in Selat, Karangasem. Maceration method was conducted to extracted leaves of caliandra, disk diffusion agar method was conducted to find out the inhibition of crude extract leaves of caliandra. Result showed that there were six types of fungi on chichken broiler consentrate such as Aspergilus flavus, Aspergilus niger, Aspergillus fumigatus, Penicillium brevicompactum, Penicillium candidum dan Trichoderma viridae. The result also showed that 100.000 ppm extract concentrate inhibit Aspergillus flavus growth on 12.72 ± 0,27 mm. Keywords : fungi, inhibition strength, crude extract’s, caliandra, Aspergillus flavus