The invention relates to a connecting support structure for a sewage treatment station house steel frame. Support force on the two sides can be adjusted in time according to the degree of tightness ofsoil, the phenomenon that due to the fact that the connecting support structure is too tight or too loose, firmness and stability of the house structure are affected is avoided while the connecting and supporting effects are achieved, and meanwhile related requirements of the connecting support structure for the sewage treatment station house steel frame are met on material selection and painting.