The invention discloses a preparation method of drinking water for control of rabbit dysentery. The drinking water is mainly formed by mixing of the following raw materials by weight part: 3-5 of Chinese herbal extracted liquid, 5-8 of beet juice, 10-30 of brown sugar, 0.5-1 of salt, and 800-1200 of water. Specifically, the Chinese herbal extracted liquid is obtained by extraction of the following crude drugs by weight part: 5-7 of Pycnonotus sinensis, 6-10 of root of kudzu vine, 5-7 of radix paeoniae alba, 6-10 of Chinese angelica, 2-4 of radix aucklandiae, 1-3 of cinnamon, 2-4 of betel nut, 12-18 of Chinese yam, 7-9 of lotus seed, 7-9 of forsythia, 7-9 of Viola philippica, 7-9 of dandelion, 4-6 of Scutellaria baicalensis, 2-4 of phellodendron, 8-12 of bighead atractylodes rhizome, 8-12 of Poria cocos, 5-7 of Alisma plantago-aquatica, 8-12 of semen coicis, 10-15 of licorice, 2-4 of Coptis chinensis, 8-12 of radix astragali, and 12-18 of jujube.