The causes of bilateral wrist joint bone erosion include malignant tumor bone metastasis, rheumatoid disease, gouty arthritis, calcium or vitamin D deficiency, etc. Surgery and other treatments should be carried out according to the causes. 1. Bone metastasis of malignant tumor: if the patient with bone erosion has a history of malignant tumor, it should be considered that the bone erosion of both carpal joints is caused by bone metastasis of malignant tumor. At this time, the treatment should be based on active resection of primary tumor lesions, supplemented by chemotherapy and other treatment means according to specific conditions, with the purpose of inhibiting the re-proliferation of cancer cells. Local radiotherapy can be applied to the wrist joint. 2. Rheumatoid diseases: Rheumatoid arthritis and other diseases may lead to bone destruction in joints in the process of disease development, i.e. causing bone erosion. At this time, the treatment is to actively control the primary disease, such as taking methotrexate and other anti-rheumatic drugs. 3. Gouty arthritis: Gouty arthritis can be due to gout stones gradually squeeze and erode the bones of both wrist joints. Treatment needs to be tailored to gout. Take drugs such as colchicine and allopurinol for treatment. 4. Calcium or Vitamin D deficiency: Bone erosion can also be caused by the lack of calcium or vitamin D in the body. At this time, the treatment should be supplemented with high-calcium food, calcium tablets and vitamin D tablets, and at the same time can be appropriate sun exposure to help the absorption of calcium. Medications should be prescribed by your doctor. Bone erosion of both wrists should be treated with individualized diagnosis and treatment based on the specific cause of the disease, and it is recommended that patients with bone erosion should consult a doctor in time in order to obtain standardized diagnosis and treatment.