筑 的部首是竹，应该是竹字头。参考“筑”百度百科http://baike.baidu.com/link?url=Cy0rBViCu_buNjXMAmnjiq3J-4LUzsVd6uAE3efOcYer04U5WcuOpgVZ7oALmOtV6BBsPuSB8jxmOcJWFKjeOq
