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本文主要探讨3维自催化模型的混合模式振荡曲线的动力学行为。首先，我们给出3维自催化模型，并且模拟当分岔变量滋，微小变量着固定时，随着时间的增加，模型表现出不同的混合振荡曲线。因此，我们可以讨论随着微小变量着在一定区间变化，模型所表现出的混合振荡曲线的变化情况。其次，当微小变量着固定时，我们研究了分岔变量滋与模型的混合振荡曲线之间的关系。最后，就模型的混合振荡曲线和参数之间的联系问题，我们对模型的模拟结果进行探讨。“,”In this paper, the dynamic behavior of the mixed-mode oscillations is mainly discussed in the 3-d autocatalator. First of all, the model of so called 3-dimensional autocatalator exhibiting mixed-mode oscillations is provided. It is simulated that various mixed-mode oscillations are expressed as the time scale increases when the bifurcation parameter and the tiny variable are fixed. Thus, we investigate the variation of the mixed-mode oscillations displayed by the model as the variable changes in a range of domain. Furthermore, the relationship between the bifurcation parameter and the mixed-mode oscillations obtained by the model is explored as long as the variable is constant. Finally, as far as the relationships are concerned, a brief conclusion can be given in terms of the simulation results.