What's wrong with the purple patches?

Purple patches on the body may be caused by trauma bumps, may also be caused by purpura disease. Trauma bump caused by purple plaque is a part of the body due to external pressure, capillary rupture caused by bleeding, normal more than a single purple plaque performance, generally will fade on its own, if purple plaque more than the current limbs, gums bleeding phenomenon, oral tongue mucosa has blood bubbles, and purple plaque has a number of different sizes of petechiae, uneven distribution, should be considered thrombocytopenia purpura, at this time should immediately go to the hospital for further examination.