Pregnant women with cold urticaria need to be treated for the causes such as avoiding contact with the cold environment, pay attention to keep warm, need to do some tests except for lupus erythematosus and other immune diseases accompanied by symptoms, there are serious symptoms can be used externally or intravenous infusion of drugs for treatment. 1. The main cause of cold urticaria is the cold environment, so when pregnant women find that they have cold urticaria, they need to do a good job of keeping warm and try to avoid contact with the cold environment. At the same time should do some examination except lupus erythematosus and other immune diseases associated with the symptoms. 2. Topical medications such as glycerite lotion or zinc oxide lotion can relieve the itching and other symptoms, and topical medications should be used under the guidance of dermatologists and obstetricians and gynecologists. 3. If the patient’s symptoms are more serious, can also be infused with vitamin C, calcium gluconate and other drugs for treatment, can reduce the permeability of capillaries, improve the allergic reaction, the above drugs need to be under the guidance of a doctor. Cold urticaria is self-limiting, most of the patients’ symptoms can be relieved on their own, but if the patient has dizziness, headache, chest tightness, dyspnea and other uncomfortable symptoms, you need to consult a doctor in time to avoid serious consequences.