Snowfield tire with asymmetrical tire patterns

The invention relates to the field of tires, in particular to a snow tire with asymmetric tread patterns, which comprises a tread, and the tread is provided with inner crown patterns; the inboard crown pattern comprises a first inboard crown groove; the first inner side tire crown groove is provided with a first bend; a second inside tire crown groove for communicating the adjacent first inside tire crown grooves is formed between the adjacent first inside tire crown grooves, and a third bend is formed at the joint of the first inside tire crown groove and the second inside tire crown groove; under the action of the first bend, a first bulge and a first recess are respectively formed on two opposite sides of each first inner crown pattern block in the circumferential direction, and the first bulge extends into the first recess of the other first inner crown pattern block to form a first interlocking structure; and under the action of the third bends, second recesses are formed on the inner sides of the adjace