②Contradictions are homogeneous, contradictory sides are interpenetrating, mutually inclusive, under certain conditions can be transformed into each other. Strengthen the guidance of square dance activities, is conducive to overcoming the negative factors in square dance activities, square dance in urban and rural grassroots masses to play a positive role in enriching the spiritual and cultural life of the masses, to promote the widespread development of national fitness campaigns, to show the masses of the good spirit and so on.