The invention discloses a clarias fuscus feed and a preparation method thereof. The clarias fuscus feed is prepared from the following raw materials in parts by weight: 45-50 of cooked pig blood, 12-15 of minced fish, 9-12 of fish meal, 24-28 of wheat bran, 12-15 of bean dregs, 5-6 of distiller's grains, 12-15 of rapeseed cake, 8-10 of apple leaves, 3-4 of gynostemma pentaphyllum, 1-2 of Borreria stricta, 2-3 of dandelion, 2-3 of Limonium bicolor, 4-5 of wolfberry leaves, 1-2 of dried ginger, 10-12 of radix puerariae, 3-4 of a feeding attractant, and 1-2 of a feed fermentation agent. The feeding attractant contained in the feed formula can improve the fish appetite, increase food intake and realize rapid weight gain. At the same time, the dandelion, gynostemma pentaphyllum and other components involved in the formula are beneficial to human health, and can clear away heat and toxic materials. After being eaten, the clarias fuscus enters the human body through food chain transfer, and is also beneficial to human health.