The invention provides a pet pig breeding method.The method comprises the steps of pig cage arrangement, piglet period management, middle pig period management and adult pig period management.The piglet feed adopted in the piglet period management step is prepared from, by weight, 10-20 parts of whole milk powder, 5-8 parts of corn stigma powder, 15-22 parts of soybean meal, 9-13 parts of cottonseed cake meal, 4-7 parts of enteromorpha powder, 6-10 parts of carrots, 0.5-0.9 part of wild chrysanthemum flower powder, 0.2-0.3 part of bacillus amyloliquefaciens preparation, 0.01-0.02 part of bromelain, 0.1-0.2 part of salt and 0.02-0.03 part of glutamic acid.The temperature in the cage is controlled to range from 28 DEG C to 30 DEG C, and the humidity is controlled to range from 40% to 45%.By means of the pet pig breeding method, the size control effect of a pet pig is good, and the pet pig is effectively prevented from being bred to a big pig; the size of the pet pig is moderate, length of the adult pig ranges form 35 cm to 48 cm, and the weight of the adult pig ranges form 15 kg to 23 kg.