The main treatments for cold-induced hand numbness and swelling include keeping warm, physical therapy, medication, functional exercise, and attention to diet. 1. Keep warm: cold hand numbness is mostly caused by the obstruction of blood circulation, usually should pay attention to keep warm, improve blood circulation to relieve the symptoms. 2. Physical therapy: another reason for cold hand numbness and swelling is nerve compression, which can be relieved by acupuncture, massage and hot compresses. 3. medication: medication can be used to reduce swelling and pain, oral tianma pills to relieve the symptoms of numbness and swelling of the hand. 4. Functional exercise: more hand exercise, promote blood circulation, relieve symptoms. 5. Pay attention to diet: usually pay attention to light diet, eat more fresh vegetables and fruits, eat less spicy and stimulating food. Cold caused by hand numbness and swelling aggravated, it is recommended to go to the hospital in a timely manner, to give the appropriate treatment, the above drugs need to be used under the guidance of a doctor.