(1) removal method: generally, it is removed by cutting with gypsum knife, gypsum scissors, hand saw and chainsaw. This method is suitable for all plaster models, but care must be taken not to damage the patient's skin.

(2) Soaking method: After the gypsum is soaked in warm water, it is released layer by layer. This method is simple, and the bandage can be removed for recycling, but it is not suitable for plasters with wounds.