The main benefits of scraping the lower legs are as follows:

• Promote blood circulation: Scraping can cause local skin congestion, dilate capillaries, and accelerate blood circulation, ensuring a more sufficient blood supply to the lower legs. This helps to carry away metabolic waste and relieve problems such as soreness and swelling in the lower legs caused by poor blood circulation.
• Dredge the meridians: The lower legs are distributed with important meridians such as the Three Yin Meridians of the Foot (the Spleen Meridian of Foot-Taiyin, the Kidney Meridian of Foot-Shaoyin, and the Liver Meridian of Foot-Jueyin) and the Three Yang Meridians of the Foot (the Stomach Meridian of Foot-Yangming, the Gallbladder Meridian of Foot-Shaoyang, and the Bladder Meridian of Foot-Taiyang). Stimulating these meridians through scraping can dredge the meridians, regulate the functions of the internal organs, and improve the overall health of the body. For example, stimulating the Spleen Meridian of Foot-Taiyin can help invigorate the spleen and remove dampness, and improve digestive function; stimulating the Kidney Meridian of Foot-Shaoyin is helpful for tonifying the kidney and replenishing qi, and enhancing kidney function.
• Relieve muscle tension: Modern people are prone to have tense and stiff calf muscles due to standing for a long time, sitting for extended periods, or improper exercise. Scraping can relax the muscle fibers of the lower legs, relieve muscle spasms, reduce muscle fatigue, allow the calf muscles to be relaxed and soothed, and improve the flexibility and mobility of the legs.
• Eliminate dampness and toxins: From the perspective of traditional Chinese medicine, excessive dampness in the body can affect physical health, leading to symptoms such as lethargy and fatigue. Scraping the lower legs can open the skin pores, allowing the dampness and toxins in the body to be excreted through sweat, playing a role in eliminating dampness and toxins, improving the body’s dampness condition, and making people feel more refreshed.
• Improve sleep quality: The meridians on the lower legs are interconnected with the internal organs throughout the body. Stimulating the meridians through scraping can regulate the circulation of qi and blood in the body and the functions of the internal organs, enabling the body to achieve a state of yin-yang balance. This helps to relieve anxiety and tension, and thus improve sleep quality, making it easier for people to fall asleep and sleep more soundly.