Cold urticaria, if the symptoms are mild, some of them may be cured by themselves, but patients with serious condition usually cannot recover by themselves and need active treatment or it may be life-threatening. 1. Cold urticaria tends to occur in winter, related to the cold environment, contact with cold things. Some of the cold urticaria may recover on its own, if the symptoms are mild, such as slight redness, itching, no obvious skin lesions, timely elimination of triggers, pay attention to cold protection and warmth, the symptoms can gradually reduce, to achieve healing. 2. If the condition is more serious, the skin appears to be windy, angioedema, diarrhea and abdominal pain, tachycardia, hypotensive shock, respiratory damage, dyspnea, cold limbs, usually can not recover by itself, it is recommended to call 120 or immediately seek medical attention. Cold urticaria patients have different degrees of disease and different treatments. If the symptoms are obvious, it is recommended to go to the hospital in time to avoid dangerous situations.