Exposed blood vessels in the calf, which is a sign of varicose veins. This is due to the fact that in some special groups of people, such as obesity, pregnant women, standing for a long time or engaging in heavy physical labor, these people’s blood vessels have weakened elasticity of the vascular wall, reduced valve function blood reflux occurs. After reflux of blood stagnation in the lower limbs, causing the lower limbs venous pressure increases, under the effect of increased venous pressure, the calf blood vessels appear dilated performance. Therefore, when there are exposed blood vessels in the calf, it is recommended to go to a specialized vascular surgery clinic in time, and under the guidance of a specialist, the diagnosis and staging of the disease will be carried out, and depending on the severity of the disease, different treatment options will be chosen. At present, mild varicose veins are treated with varicose vein stockings and foam sclerotherapy. For patients with obvious varicose veins, surgical treatment is recommended. Commonly used surgical methods include high saphenous vein ligation and stripping, radiofrequency ablation, laser closure and so on.