Feed for Chinese mitten crabs and preparation method

The invention provides a feed for Chinese mitten crabs. The feed comprises choline chloride, table salt, dicalcium phosphate, fish meal, strong flour, corn starch, soybean phospholipid, cholesterol, fish soluble albumen. xanthan gum, a composite vitamin additive, soybean meal, a composite mineral substance additive, phytase, fish oil and a Chinese herbal medicine feed additive. The invention further discloses a preparation method of the feed. According to the feed and the preparation method disclosed by the invention, Chinese herbal medicines are used for effectively strengthening the immunocompetence of eriocheir sinensis, besides, nutrient components in crab bodies can be adjusted, and the meat quality and the mouth feel are improved.