Hemangiomas indeed start as a red dot, and as the condition worsens or the hemangioma grows, some may gradually form patch-like appearances or well-demarcated lumps that rise above the skin. A primary characteristic is that the color of the hemangioma disappears when pressed, and the skin color lightens. When the external pressure is reduced or released, the hemangioma refills with blood and turns dark red or purple-red. This characteristic is very important for the diagnosis of hemangiomas. Therefore, patients with hemangiomas must seek early and timely consultation, examination, and treatment in dermatology (cosmetic science) or surgery.