The invention discloses a pregnant sow 
miscarriage-preventing feed and a producing method thereof, and the pregnant sow 
miscarriage-preventing feed comprises the following materials by weight: 160-200 parts of wheat 
bran, 150-180 parts of soybean 
powder, 60-80 parts of sweet potato 
powder, 40-70 parts of red beans, 30-40 parts of 
fresh coconut milk, 30-60 parts of fine rice 
bran, 15-18 parts of glutinous rice, 2-4 parts of 
sunflower seeds, 1-2 parts of red dates, 1-2 parts of raisins, 0.2-0.5 part of salt, 2-3 parts of tomato sauce, 30-40 parts of 
locust tree leaves, 15-25 parts of litchi leaves, 30-50 parts of peanut 
vine, 1-2 parts of rhizoma acori graminei, 2-3 parts of 
amomum villosum, 1-2 parts of atractylodes, 1-3 parts of mangnolia 
officinalis, 5-10 parts of licorice 
powder, 10-20 parts of walnut powder, 2-3 parts of 
zeolite powder, 3-5 parts of angelica powder, 1-2 parts of kaolin, 10-15 parts of an attractant, and proper amount of water. The pregnant sow 
miscarriage-preventing feed is sufficient in energy, non-toxic and harmless, and suitable for all stages of sows during 
pregnancy, and can prevent miscarriage dead 
embryo, and increase pregnant sow farrowing number and weight of newborn piglets.