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The Subai white pig, which is a dual-use breed, has a large body size, robust physique, strong adaptability, lots of litter size, fast growth, and good hybridization effects. Under the condition of low nutrition level, the daily weight gain compared with other introduced varieties such as Changbai, Yorkshire, and Buckley can be increased by 10% to 15%. Su Baizhu is not only an excellent paternal breed but also an excellent mother breed. Breeding performance: Boar 4 months of age, sows 6 to 7 months of age when sexual maturity, generally 8 to 10 months of age, sow weight 90 to 10O kg and boar 100 to 120 kg when the initial allocation. The average estrus cycle of the sows was 19 days, the duration of estrus was 2 to 5 days, and the period of gestation was 114 days. The first estrus after delivery was 45 to 60 days. The appropriate reproductive life of sows is 2 to 5 years old and boars are 2 to 3 years old. According to the statistics of the sows (1393 litters), the average number of litters was 12.26, the 20-day milk power was 49.15 kg, the 60-day-old weaned litter weight was 127.81 kg, and the weaned piglets had a body weight of 14.96 kg. Finishing performance: Su Bai white pigs under normal feeding conditions, the daily weight gain during the finishing period of 500 grams or more, up to 597 grams. The weight per kilogram consumes 3.01 to 4.0 kg of mixed concentrate. Slaughter is suitable for 6 to 8 months of age. It was determined that the finishing pigs had an average body weight of 95.62 kg, a slaughter rate of 73.55%, a 6th to 7th intercostal thickness of 4.22 cm, a ketone body length of 79.94 cm, an eye muscle area of ​​30.06 cm2, a hip ratio of 28.01%, and a lean ratio of 49.25%. .