The invention relates to a positive pole container of a sodium sulfur battery, the positive pole container comprises a container casing made of a metal, the inner wall of the container casing is provided with an inner liner of a continuous aluminum carbon composite material, the container casing is a cylindrical structure with one end open and the other end closed, the continuous aluminum carbon composite material comprises 30-90wt.% of metal aluminum powder and the balance of carbon material, the inner liner of the continuous aluminum carbon composite material of the positive pole container has good corrosion resistance and electrical conductivity, and is helpful to improve the safety and service life of the sodium sulfur battery.