Longan kernel is also known as cinnamon kernel, longan kernel has the effect of stopping bleeding, fixing pain, regulating qi, dampness, longan kernel has the effect of treating bleeding from wounds, hernia, scrofula, scabies, wet sores, longan kernel treatment of incompetent urination: longan kernel, remove the outer black shell, broken, water decoction service. If you want to get off after passing, drink it with round meat soup.