Most dryness on the body may be due to genetic factors, or secondary to other diseases. For dry skin on the body, first of all, local emollient treatment, or emollient care, usually you can directly use Vaseline topical application, or you can also use glycerin topical application over a large area. Also need to pay attention to diet, spicy and stimulating food as far as possible do not eat. And the frequency of bathing should be reduced, when bathing, the water temperature should not be too high, and the use of alkaline toiletries should be reduced as much as possible. At the same time, if the skin is dry and accompanied by certain itching symptoms, you need to take some oral medication, you can take oral antihistamine drugs, you can also take oral Chinese medicine, such as moistening and anti-itching capsules.