The present research aims to studied the parts weight of quail's carcass which are given the fermented dragon fruit peels juice (Hylocereus sp), which was conducted for 8 weeks. This research used Completely Randomized Design (CRD) which has 5 treatments and 4 repetitions in every unit consists of 10 quails, so it is totally 200 quails 6 weeks old. The treatments conducted were A = Drinking water without dragon fruit peels juice; B = Drinking water with 1% of dragon fruit peels juice, C = Drinking water with 1% of fermented dragon fruit peels juice; D = Drinking water with 3% of dragon fruit peels juice, E = Drinking water with 3% of fermented dragon fruit peels juice. The variables observed in this research were the weight of the carcass part which consisted of the weight of the breast, back, thigh, drumstick, and wing. The result of this research proved that (A) the weight of carcass part which included the weight of the breast, back, thigh, drumstick, and wing with the drinking water added with 1% of dragon fruit peels juice; (B) the treatment of drinking water added with 3% of dragon fruit peels juice; (D) the treatment of drinking water added with 1% fermented dragon fruit peels juice; (C) and the drinking water added with 3% of fermented dragon fruit peels juice; (E) influenced significantly (P<0.05) from the drinking water treatment without the dragon fruit peels (A). Based on the result, it can be concluded that the weight of carcass part given with drinking water added with dragon fruit peels juice 1% and 3% and drinking water added with fermented dragon fruit peels juice 1% and 3% influenced significantly towards the weight of the breast, back, thigh, drumstick, and wing compared to the drinking water without dragon fruit peels juice.