The fat-reducing principle of cryolipolysis is to take advantage of the cold-resistant characteristics of fat, and transmit the freezing wave to the part with more fat through a low-temperature therapeutic device at about 4 ℃ – 5 ℃, so that the state of water matrix cells remains unchanged, and the state of fat matrix cells remains unchanged. Produce crystallization and natural apoptosis, and gently excrete it from the body with the metabolism of the body, fundamentally reduce the number of fat cells, lose weight completely, the effect is long-lasting, and it is difficult to rebound. After the treatment, as long as the daily routine and diet are normal, the effect can be maintained for a long time.