In the summer, the wet skin can drip water, but in the winter has become a dry land, itching will follow the shadow. Especially at night after the shower, many people’s calves, waist and back on the itchy, the more itchy the more scratch, the more scratchy. There are many reasons for itchy skin, and itchy skin in this season is mainly related to dry weather, but does not exclude the existence of dermatological or medical diseases. In the absence of determining the cause of itching, you should never use drugs indiscriminately to avoid aggravation of itching. Itchy skin first clear cause 1, most people’s itchy skin is related to the dry climate. As the temperature drops, the human sebaceous glands and sweat glands secrete less, resulting in less and thinner sebaceous film, the barrier function is reduced, itching is easy to occur. 2, suffering from internal diseases such as liver and gallbladder disease, kidney disease, diabetes, thyroid function abnormalities, etc. will lead to itchy skin; some patients with skin diseases use drugs indiscriminately to cause skin dehydration and lipid deficiency, there will also be itchy performance; 3, taking hypertensive drugs with diuretic effect or retinoids for acne, will also cause itchy skin. Chinese medicine theory emphasizes that among the five organs of the human body, “the lungs are the main skin and hair”, and in autumn and winter when dryness is in order, it is easy to injure the lungs and make the symptoms of lung yin deficiency worse, and then it is easier to have itchy skin. Therefore, the occurrence of itchy skin should first of all clarify the cause, never scratching, not to mention the indiscriminate use of drugs. Seasonal itchy skin is important to nourish The so-called seasonal itchy skin is simply caused by dry weather itchy skin, common in the elderly, mostly in the upper limbs, lower legs shin front and waist back. The itchy skin caused by other diseases should be treated for the original disease, the itchy skin caused by drugs is best to change the medication, as for seasonal itchy skin is important in the nourishment of the skin. A, reduce the loss of skin oil and timely replenishment of oil. Southerners bathe diligently, especially often hot baths, often cleaning too much oil on the body, aggravating the dryness of the skin. Doctors recommend that the bath water temperature to 32 ℃ is appropriate, do not exceed 15 minutes, do not take a bath, do not have to use body wash every day. After the bath, while the skin is still a little wet when the whole body to apply moisturizer, in the hands and feet, knees, joints, then apply a little more oily emollient products. Second, a proper diet. To skin not dry, you have to drink more water, eat more vegetables and fruits and soy products to reduce the lack of water in the body. At the same time, pay attention to the intake of foods high in iron such as animal liver, egg yolk, kelp, foods rich in B vitamins such as carrots and other vegetables, and foods rich in gum such as pig’s feet, meat skin, etc.. Eat less spicy and stimulating food, like coffee, strong tea, chili, onion, garlic or acidic food, which can aggravate the symptoms of itchy skin. Third, wearing the protection of the skin also has an important significance. First of all, wear cotton clothing (especially underwear), do not wear chemical fiber or knitted material clothing, because the latter is easy to cause static electricity and itching; secondly, clothes should be worn loosely, do not tighten in the body. To wear long clothes and pants to prevent direct blowing wind skin more dry.