The present invention discloses one kind of continuously cast austenite stainless steel sheet band and its production process. The austenite stainless steel sheet band has the components including C 0.04-0.12 wt%, Si0.2-1 wt%, Mn 0.8-2 wt%, P not more than 0.04 wt%, S not more than 0.03 wt%, Cr 0.017-0.019 wt%, Ni 0.08-0.011 wt%, Sn 0.005-0.04 wt%, and Fe and inevitable impurity for the rest. Its production process includes the following steps: smelting, continuously casting to form 1-5 mm thick band and winding; solid solution treatment at 1050-1150 deg.c for 5-8 min; pickling, cold rolling, annealing at 1050-1100 deg.c for 3-8 min, re-pickling and cold rolling for the second time to reach required thickness. The present invention has utilization of Sn in waste steel, reduced residual ferrite, reduced nickel consumption, lowered production cost and raised comprehensive performance.