Rebuilding gas storage in Huabei carbonate and buried hill reservoir is very important to guarantee safe and balanced air feed to Jing, Jin and Ji regions, it has advantages of integrated structure, big scale closure and good flow condition of network of fracture. Though having developed deep research on rebuilding Ren-11 underground gas storage in Huabei massive and bottom water carbonate oil reservoir, it evaluates on the gas productivity index comparing with oil, so it has some limitations and deviations and needs further and deep evaluation. On the basis of gas steady filtration theory, according to the geology features of network of fracture of buried hill reservoirs and drawing the gas hemispherical flow and conception of equivalent gas well discovery radius, the paper finally derives gas well steady filtration deliverability equation of rebuilding gas storage in carbonate and fractured reservoir. By means of the example of some Huabei buried hill reservoir, it demonstrates that the network of fracture of the reservoir is very good, the gas deliverability is very high no matter what the gas storege operates in high or low pressure, the formation has basic infinite gas flow condition.