By Using the method of documentation, video tapes observation and statistic analysis, we analyzed the difficult parts of the champion and our country matches in motions arrangement of individual female in the 9th world aerobics championship in the 2006 .The result indicated that, the difference is not big in the proportionate for the difficulty distributes in the complete set movement between the champion and our country, our country has less choice in the kinds of A, B than the champion.The champion match is superior to our country in the choice of the difficulty rank and the multiplicity whi...