Possible causes of coldness in the right leg and right hand include too little activity, abnormal sensation, and aura of stroke. 1. Too little activity: If you are bedridden for a long time and lack of activity, your body’s metabolism will be slow and heat production will be reduced, so you can experience cold hands and feet, which is a normal phenomenon. 2. Sensory abnormalities: such as diabetes caused by peripheral neuropathy, can cause sensory impairment of the limbs, cold hands and feet can occur. Diabetes should be targeted treatment. 3. Stroke aura: When ischemic stroke occurs, due to the narrowing of blood vessels, slow blood circulation, local oxygen and blood supply is insufficient, there can be symptoms of cold hands and feet on one side of the body, which can be accompanied by numbness of the limbs, fatigue and other symptoms. The causes of cold right leg and right hand are more reasons, but also may be related to cold, poor peripheral circulation, stroke sequelae and other diseases, if the symptoms continue to be unrelieved, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, and to carry out targeted treatment.