A class of oscillator of El Nino-Southern Oscillation (ENSO) model is considered.Using the variational iteration method the approximation of the solution for ENSO model is obtained.

• 研究了-类厄尔尼诺-南方海涛(ENSO)振子的模型.；利用变分迭代方法求出了ENSO模型的近似解