1.After the plaster is set, it can be dried by hairdryer or other methods. 2.Move the patient before the plaster is dry, pay attention not to break or deform the plaster, often use your hand to hold up the plaster, do not use your fingers to pinch the pressure. 3.Elevate the affected limb to reduce the swelling of the limb, pay attention to the symptoms of pressure, observe the blood flow, skin color, temperature, swelling, sensation and movement changes at the end of the finger (toe) at any time, the situation. If there is any change, remove the cast immediately and fix the cast on again when the condition improves. Guangzhou Orthopaedic Hospital Orthopaedic Surgery Wang Guangwei 4. Patients with wounds, if the cast is found to be soaked with blood or ooze, it should be treated promptly. 5. The cast must be kept dry and clean. If the wrapped plaster is eroded by water, it is not only easy to shorten its service life, but also easy to cause skin rupture and infection, so plastic bags can be used to protect the plaster from water immersion when bathing, while the affected limb wrapped in the plaster should not step on wet ground. 6, pay attention to cold and warmth, pay attention to the exposed limb insulation in the cold season; in the hot season, pay attention to ventilation to prevent heat stroke. 7, pay attention to keep the plaster clean, do not be urine, stool, etc., wet pollution. When turning or changing position, protect the original shape of the cast to avoid fracture and deformation. 8.If the cast is loose due to swelling or muscle atrophy of the limb, replace the cast immediately. 9.Before the patient gets out of bed, help him/her to turn over and instruct him/her to do the muscle contraction activity inside the cast; when the situation allows, encourage to get out of bed. 10.Pay attention to deformity correction. If the fracture is still well aligned but has an angular deformity, the patient should be treated promptly to correct the angular deformity. 11. When the cast has been wrapped for a long time, the skin inside the cast may feel itchy, do not put foreign objects into the cast to scratch or remove the cotton lining, and do not hide anything inside the cast, because this practice not only cannot eliminate the itchy feeling, but also may place the scratching tool inside the cast which cannot be removed. Do not remove the cast for the sake of momentary comfort! If there is any problem, please contact with the attending physician. 13.Cautions after cast fixation must be clearly explained to the injured patient and his family members to attract attention. 14.During the period of cast fixation, regular outpatient follow-up, photo review and functional exercise should be carried out according to medical advice.