Automatic lifting platform and method thereof

The invention discloses an automatic lifting platform and a method thereof.The automatic lifting platform comprises a lower platform, the lower platform is integrally arranged on the outer side of a pier column in a surrounding mode, an adjustable support is arranged at the position, corresponding to a pier column body, of the lower platform, and the adjustable support can abut against the pier column body so that the lower platform can be fixed to the pier column; the upper platform is arranged on the outer side of the pier column in a surrounding mode and corresponds to the position over the lower platform, a holding assembly is arranged at the position, corresponding to the pier column body, of the upper platform, and the part, close to the pier column body, of the holding assembly can automatically and linearly move in the radial direction of the pier column so that the upper platform can hold or release the pier column body; the jacking device is arranged between the upper platform and the lower platform