Dendroblum chrysanthum Lmal. is one of the important orchids that face to the situation of extinction, is overexploited. This orchids are need to preserve, exploite and recover sustainably. The experiment was conducted to evaluate the effect of nutrients: Antonik, Yogen, Growmore, Dau Trau and DDTạp chí on the growth, and development, diameter of trunk, the number of leaves and the bud formation of this orchids. The result shows that Antonik is the most suitable to the "Ngoc van vang anh". The orchids was test by Antonik after 75 days, had plant height: 41.12cm, diameter of trunk: 6.72mm
leaf number: 15.5. Antonik is not only affect to the growth of trunk and leaves but also promote to the development of plants. Yogen increases the height of age 1 and age 2 in orchid. "Dau Trau" has the effection in the number of leaves in both groups of the orchid.