Symptoms of displaced triangular bone fracture of the wrist mainly include pain at the wrist, localized swelling, deformity of the wrist in severe cases, and restricted movement of the wrist joint. 1. pain: because the wrist triangular bone fracture displacement is mostly seen in the wrist after trauma, in addition to the fracture, more often accompanied by ligament damage, so the affected area more severe pain. 2. Swelling: swelling is caused by soft tissue injury at the wrist, related to the local soft tissue exudation, but also may be traumatic injury to the wrist blood vessels, subcutaneous soft tissue internal bleeding and lead to swelling. 3. Deformity: Because of the fracture and displacement of the triangular bone, the fracture of the wrist may appear as a localized bulge from the outside. 4. Restriction of activities: mainly seen in severe triangular bone fracture and displacement, because of the deformation of the wrist joint, so the activities of the wrist joint will be affected or even restricted. After the fracture of the triangular bone, it is recommended to consult a doctor in time and be treated by a professional doctor according to the condition.