There's bleeding on the skin. What's going on?

Normal people under normal circumstances should not show bleeding points, some people show bleeding points on the legs called allergic purpura, allergic purpura is not caused by allergies, most purpura is considered to be bleeding points, increased vascular permeability leads to particularly serious purpura. To the hospital, bleeding in addition to the current skin, there may be the current internal organs, easy to show kidney problems. Purpura to check blood urine routine, see blood there is no platelet problem, see urine there is no bleeding problem, kidney damage. Occasionally there are 1-2 bleeding points, the problem is not very big, such as too much pressure, sneezing, sometimes the face will show a few points, the problem is not very big. Blood problems are not easy to directly show bleeding points, sometimes gums, nose bleeding first, bleeding points are particularly many, it is best to go to the hospital to check platelets, bleeding time and coagulation time.