answer:Are you talking about propagation,,,making baby orchids? It depends on the type of orchid. For example, “How to propagate orchids using the keiki method, usually Phalaenopsis orchids We have all seen the common ‘Spider Plant’ which grows new plants along adventitious out shoots. The Phalaenopsis plant does a similar trick but along the flower spike where side shoots or buds may have developed. If you examine a Phalaenopsis flower spike you will notice along its length approximately 2 to 3 small bracts (nodes) which are held tightly to the main stalk. Under normal circumstances these small bracts will remain just that, small bracts and are often overlooked. When a Phalaenopsis has finished flowering you can cut the flower spike back to just above one of these ‘nodes’ to induce a fresh flower spike to develop from it. A keiki is a small plant which grows from one of the nodes along the stem instead of a branch. The reason for this is the accumulation of growth hormones at that point, this can be either natural (as in this case) or it can be induced by the application of keiki paste which is concentrated form of the correct growth hormones.” Source Here is an article with a lot more detail and dozens of pictures showing repotting, pruning, clipping, etc.