When phalaenopsis flowers, you can prune it to help it bloom again or to help it grow healthily. If you want to help it bloom again, you need to cut 4-5 nodes from the base of its flower stem. If you want it to grow healthily, you need to cut all its flower stems from the base.
If the plant has been kept for many years, you can take it out of the pot soil after it has blossomed, and check whether the root system has rotted and blackened. If there is, they need to be cut off, so as not to stay in the plant to consume nutrients.
After cutting the root, it can be replanted with new soil and new flowerpots, so as to ensure that there are enough nutrients in the soil for its growth.
For the plants that have been pruned and replaced with soil, they can not be cultured according to the usual methods and need special maintenance. For the plants that have changed the basin soil, it is necessary to stop fertilization, then control the watering and keep the soil slightly wet. Do not pour too much water to avoid damaging its root system. It's better to put it in a place with good ventilation, which can make it recover better