Itchy skin after playing plaster can do the following treatments: 1, if the itchy skin degree is light, small area, under the premise of not affecting the degree of firmness of the external fixation of the plaster, you can use a long thin object against the itchy skin to scratch, after treatment itching will be significantly reduced. 2, if the area is large and there is no way to alleviate the itching, you should go to the hospital by the doctor will be the removal of the external fixation of the plaster. Under the premise of ensuring that the fracture is not affected, the itchy skin will be thoroughly scrubbed, the necrotic dander and hyperplasia of microorganisms completely removed, which can fundamentally solve the problem of itching.