The utility model provides a cold -resistant ball -shaped steel support of formula of can heightening to the leveling of support secondary conveniently is realized to the support of can convenient extraction and changing, and has reliable high cold resistance, is able to bear or endure the performance of drying. Including upper bracket board, bottom suspension bedplate and therebetween spherical crown lining board, the antifriction plate of inlaying in the spherical crown lining board upper plane recess no. 1 forms the sliding pair in upper bracket board bottom, inlays in the antifriction plate no. 2 of spherical crown lining board convex spherical lower part to become the revolute pair at bottom suspension bedplate upper portion concave spherical surface, is provided with the last anchorplate who imbeds roof beam body bottom more than the upper bracket board. Set up down anchor plate below the bottom suspension bedplate, set up height -adjusting cushion plate under or between anchorplate and the bottom suspension bedplate between last anchor plate and upper bracket board, set up observation and the injected hole that accesss to its bottom surface down in the anchor plate to under on the anchor plate bottom surface hoop interval set up leveling bolt.