In this article, we use standard notations from the value distribution theory. We de-note the order of growth of f(z) by ÍT(/). In this paper, by using Nevanlinna theory, we study the growth the solution of differential equation. | ISSN: 1859-2171 TNU Journal of Science and Technology ; Email: jst@ 192(16): 47 - 54 47 Bui Thi Kieu Oanh et al. 48 TNU Journal of Science and Technology 192(16): 47 - 54 ; Email: jst@ Bui Thi Kieu Oanh et al. TNU Journal of Science and Technology ; Email: jst@ 192(16): 47 - 54 49 Bui Thi Kieu Oanh et al. 50 TNU Journal of Science and Technology 192(16): 47 - 54 ; Email: jst@ Bui Thi Kieu Oanh et al. TNU Journal of Science and Technology ; Email: jst@ 192(16): 47 - .