Rheumatoid arthritis patients may experience numbness of the feet, but numbness of the feet may also be caused by cervical spondylosis, cerebrovascular disease, peripheral neuritis and other diseases. 1. Rheumatoid arthritis: rheumatoid arthritis mainly affects the peripheral joints of patients, with the main symptoms of morning stiffness, joint deformity, joint pain, joint swelling, etc. However, with the development of the disease, when the disease involves the nervous system, it may lead to numbness of the hands and feet of the patient or neuritis-related symptoms. 2. Cervical spondylosis: when the patient’s cervical spine has lesions and compresses the spinal cord, it may lead to numbness and weakness of the limbs. 3. Cerebrovascular diseases: Cerebrovascular diseases such as cerebral hemorrhage and cerebral infarction may cause numbness in the hands and feet due to the dysfunction of brain tissues. 4. Peripheral neuritis: Peripheral neuritis is the damage of peripheral nerves caused by a variety of factors, and the common symptoms of patients are numbness of hands and feet, pain, and ankylosis. Rheumatoid arthritis patients may have numbness of the feet, but the numbness of the feet may also be caused by other reasons, it is recommended that the patient to the regular hospital rheumatology and immunology department and other related departments to further improve the relevant examination.