The main symptoms of thumb fracture include pain and swelling in the affected area, some patients may have bruising and breaking of the surface skin, and in severe cases, deformity of the thumb and limitation of activities may occur. 1. Pain: Because the fracture is mostly caused by trauma, patients often have severe pain in the affected area, especially when the pain is aggravated by activities. 2. Swelling: trauma leads to soft tissue damage and exudation at the thumb, so there can be obvious local swelling, in addition, the local blood vessels can be damaged by bleeding, and hematoma can be formed under the skin. 3. Surface skin breakage and bruising: traumatic injury to the superficial capillaries can lead to subcutaneous hemorrhage, resulting in skin bruising, some patients may be accompanied by surface skin breakage. 4. Bunion deformity: for patients with severe bunion fracture and displacement of the broken end, the appearance of the fractured bunion can be characterized by deformity. 5. Restriction of movement: For patients with severe fractures, especially those with fractures at the joint of the thumb, the movement of the thumb may be restricted. Patients with bunions are advised to consult a doctor in time, and according to the type and severity of the fracture, a professional doctor will give appropriate treatment.