Most of the cavernous hemangioma develops in infancy and childhood, the superficial cavernous hemangioma can be seen in purple, purplish red and other abnormal colors, and the surface can be seen in the flexed and coiled blood vessels and bulging mass, while the surface of deeper cavernous hemangioma can only be seen in the bulging mass. Clinical manifestations of cavernous hemangioma 1, blue-purple, soft mass. 2.Prevalent in cheeks, neck, eyelids, lips, tongue and floor of mouth. When the tumor grows up, it can cause deformity and dysfunction of face, lips and tongue, and secondary infection can cause pain, swelling, surface ulceration, and danger of bleeding. 3.The color of skin and mucous membrane is normal if the location is deep, and blue or purple if the location is superficial. 4.Tumor border is unclear, soft and compressible when pressed, and recovered after letting go. Hazard of cavernous hemangioma 1, cavernous hemangioma will not subside by itself, but will only grow unrestrictedly, affecting aesthetics in the head and face and causing deformity. 2, cavernous hemangioma will cause occupying lesions, compression of nerves, tendons, other tissues and organs, causing pain, deformity and other complications. 3.Cavernous hemangioma grows in the limbs, which will easily cause swelling, deformity of the affected limbs, and even invade the joints, causing dysfunction and other acquired disabilities.