The equation of the black hole growth is worked out and solutions are obtained numerically.The growth rate of black hole mass connected with the radiative efficiency is strongly affected.

• 对于黑洞的指数增长模型，给出了考虑辐射效率对黑洞质量增长影响下的黑洞质量增长方程，用数值方法进行求解，并得到了黑洞质量随时间变化的曲线。