Selecting the advanced Eddington coordinates and adopting the thin film brick wall model, we calculate the entropy of the straightly accelerating non stationary black hole expressed by Kinnersley metric.

• 选取超前爱丁顿坐标 ；采用薄膜brick wall模型 ；计算Kinnersley度规表述的直线加速运动动态黑洞的熵 .