The way to judge whether Shuermei medical elastic socks are genuine is that the whole anti-counterfeiting label adopts fluorescent technology, which can reflect the words 12365 under the light. 400 inquire about the scraped coating, enter the 20-digit security code, and dial the relevant number to inquire about the authenticity. Shuermei medical elastic socks, produced in Taiwan Province Province, are the first brand of varicose socks in China. According to the principle of sequential decompression, the highest supporting pressure value is established at the ankle of human body, and gradually decreases upward. Decreasing pressure change can effectively promote venous blood of lower limbs to return to the heart, protect venous valves, ensure good blood circulation, and calm prominent venous vessels, thus achieving the purpose of prevention and treatment.