Dry and flaky skin after pregnancy may be caused by physiological factors such as a dry environment, or by diseases such as atopic dermatitis and dry eczema. 1. Physiological factors: if the climate is cold, the surrounding environment is too dry, etc., it may lead to dry and flaky skin after pregnancy. 2. Atopic dermatitis: the cause of the disease is still unclear, and may be related to heredity, immune abnormality, abnormal skin barrier function and other factors, if the patient suffers from atopic dermatitis during pregnancy, the patient may have dry skin, fine flakes and other symptoms. 3. Dry eczema: the cause of the disease is mainly related to factors such as excessive water loss from the skin surface, reduction of oil, poor perspiration, etc. If you suffer from the disease during pregnancy, your skin will be dry and itchy, accompanied by flaking. There are many reasons for dry and flaky skin after pregnancy, and after excluding physiological factors, pregnant women are advised to go to the hospital to clarify the cause of the disease.