Scleroderma belongs Chinese medicine "skin Bi", category "muscle paralysis," said.

　　The main cause is due to ferrite yang weakness, lack of fluid and blood, disease resistance is low, the outer skin was cold all evil steeped condensation Cou, Blockage barrier, resulting in the loss of body fluid cloth, blood Haoshang, loss of muscle Cou support, context stasis.

　　Skin as hard as leather, atrophy, Porokeratosis blocking barrier while sweating disorders, symptoms such as skin shedding hairs paralysis unhealed, visceral lesions.