We studied structural and magnetic proprieties of the fulleride C60(FeCp2)2. The influence of fulleride particles on the cell proliferative activity was also investigated. We found that the proliferative activity of the RINmF5 cells increases (53% versus control) in presence of the C60(FeCp2)2nanosized particles. Moreover, it was registered that the cell culture became multilayered and secreted basophile matrix.