Nursing bed with sitting and standing supporting function

The utility model relates to the technical field of nursing beds, and discloses a nursing bed with a sitting supporting function, which comprises a connecting piece and two lying tables, the two lying tables are hinged to each other through the connecting piece, the bottom of the connecting piece is provided with a middle lifting assembly, and the middle lifting assembly is provided with a lower lifting assembly. A supporting base is fixedly installed at the bottom end of the middle lifting assembly, two-end lifting assemblies are fixedly installed at the tops of the two ends of the supporting base, and supporting limiting assemblies are arranged at the lifting ends of the two-end lifting assemblies. According to the nursing bed with the sitting and standing supporting function, lifting assemblies at the two ends are arranged, a multi-stage electric telescopic rod stretches out and draws back, and a supporting frame is controlled to ascend and descend, so that sliding blocks slide in limiting sliding rails, t