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A salt-and alkali-resistant star-polymer was made using graft β-CD functional monomer and acrylamide monomer employing?copolymerization and post-hydrolysis methods. The optimum parameters: azobisisobutyronitrile with a concentration of 50 mg/L, a mass?fraction of acrylamide 25%, a graft β-CD functional monomer mass fraction of 1.5%, initiating temperature 5 °C, hydrolysis temperature?90 °C and hydrolysis time of 3 hours. The atomic force microscope and infrared spectroscopy morphology characterization results show?that: the star-polymer S07313 contains the star-nucleu of the graft β-CD functional monomer. The molecular weight of the star-polymer?S07313 is 24.5 million, while other basic physical and chemical properties can meet the technical requirements of the application of such?a polymer in oil fields. With the addition of NaOH as a mass fraction of 1.0% in the Daqing simulated brine, the apparent viscosities of?the star-polymer S07313, HPAM3000 and MO4000 are 42.40 mPa·s, 29.20 mPa·s and 18.00 mPa·s. The star-polymer S07313 and surface?active agents Alkylbenzene Sulfonate have an excellent compatibility