Allergy itching all over the body mainly has the following treatment measures: 1, it is recommended to draw blood to check the allergens, to exclude allergies to the environment, food what things. So that later in life to avoid contact, to prevent allergies, only to be able to block the occurrence of disease from the source. 2, topical application of furnace glycolate lotion, while using an ice pack local ice for about 10 minutes, if the itching is serious can take oral anti-allergy drugs, such as levocetirizine hydrochloride, loratadine tablets, Epastine tablets, etc. 3, strengthen the care of the skin, do not scratch, scalding, do not eat spicy and stimulating food; 4, It is important to keep the environment clean and avoid living or living in places with lots of flowers, trees or dust.