If you feel a cold chill in your arm, clinically it is a local capillary constriction caused by cold, when the blood supply to the muscles decreases, causing stiffness in the muscles of the upper limbs and a cold chill. This condition is relatively simple to treat, and can be relieved by local hot compresses three times a day for forty minutes each time, with quick results. If the effect is not obvious, you can also be treated by acupuncture and massage and other physical therapy, of which you can try the Chinese medicine seal package, for the treatment of upper limb cold effect.