Urticaria, or rubella mass, is a limited edema caused by vasodilation and increased permeability on the skin and mucous membranes. Its etiology is complex and may be related to mental factors, endocrine changes, or food, hot and cold stimuli, mechanical stimuli in pregnant women. Clinical treatment with antihistamines, such as paracetamol, glucocorticoids, such as prednisone, is often taken, but pregnant women are in a special stage to avoid the impact on the fetus, and medication needs to be used with great caution. There are no clinical tips to stop the itching of hives in pregnant women, and it is recommended that pregnant women take reliable treatment according to the degree of their condition. 1. for those with mild symptoms: you can first use cold water to relieve the itching symptoms, and if the itching is unbearable, you can gently pat the itchy area, but you should avoid scratching, and it is recommended to stay away from stimulating factors, such as minimizing the intake of allergy-prone foods, like seafood, and also pay attention to avoiding mosquito bites, sun exposure, wind and cold. If the itch is severe and continues to fail to relieve, you can use a compound glyburide lotion applied externally to the itch, which has an astringent and protective effect, but it should be noted that it should not be used when the skin is damaged. At the same time, infusion therapy such as calcium gluconate, vitamin C and other drugs can be taken under the guidance of a doctor. In addition, the three yellow lotions in Chinese medicine, namely Huang Lian, Huang Qi, Huang Bai and Bitter Ginseng, which have the effects of clearing heat, drying dampness and relieving itching, can be used to wipe the itchy area, but it is recommended to identify the evidence through Chinese medicine before going to use this lotion.