1. Optimal design of pattern order with 5 changing pitches , can avoid irregular tread wear, reduce noise. Assure tire U/F & Balance ability. 2. Dynamic shoulder decoration design, can discharge heat from belt efficiently, improve driving security. 3. Strong block bridge, can avoid Heel-Toe irregular treadwear, improve treadwear resistance. 4. Small pattern design on winter tire, can enhance braking ability on dry & wet road and snow road, assure good all-season capacity.