The invention belongs to the field of feed premixes, and especially relates to a weaning sow health-care premix and a producing method thereof. The premix is characterized by comprising the following components: lysine sulphate, methionine, tryptophan, threonine, arginine, folic acid, vitamin E, carotene, vitamin B6, vitamin B2, vitamin K, biotin, biotin C, niacin, selenium yeast, chromium yeast, soy isoflavones, nucleotide, betaine, sweetener, flavoring agent, ball-milled mixture of rice chaff and husk, and the like. The premix disclosed by the invention is applied to weaning sows, and can quickly restore the body conditions of sows, effectively shorten the estrous interval of weaning sows, promote the oestrus of sows, improve the conception rate of sow mating, and increase the litter size of sows.