The more you scratch the more itchy summer calves may be eczema, pruritus, mosquito bites, etc., need to be for the specific conditions of the medication such as boric acid solution, lidocaine cream, cool oil. 1. Eczema: If the affected area appears dense small pimples, feel obvious itching, oozing from the affected area, or a family history, may be eczema. If there is no erosion on the affected area, glycerin lotion can be used to relieve itching. If there is a lot of oozing, 3% boric acid solution can be used to eliminate the inflammatory reaction, to achieve the therapeutic effect. 2. Pruritus: If there is no primary skin lesion on the affected area, but itching occurs, it may be pruritus. Can be used locally lidocaine cream, glycerine lotion, etc. for treatment, through the skin surface sedation effect to achieve the purpose of treatment of itching. 3. Mosquito bites: when mosquito bites may cause mosquito bite dermatitis, at this time the patient will feel intense itching, the skin can appear blisters, erythema and other symptoms, you can use cool oil and other drugs to relieve itching. It is recommended that patients seek medical attention in a timely manner, under the guidance of the doctor to clarify the cause of the disease and targeted treatment, do not self-medication.