The effect of Black seed (N. sativa) honey (15, 30 and 45%) on the productivity of mulberry silkworms B. mori L. was evaluated. It was reported that treatments mulberry leaves with black seed (N. satvia) honey bee at concentration 45% (H3) significantly differences both of, the total larval duration, larvae weight, silk gland weight, cocoon weight, cocoon shell weight, silk ratio % and cocooning % represented by (29.20 day, 3.84gm/ larvae, 1.08 gm/ silk gland, 2.07/ cocoon one, 0.52 gm/ one cocoon shell, 25.12% and 100%), respectively, compared with other treatments.