Bleeding spots are small purple-red spots that appear under the skin and do not fade when pressed, usually not elevated on the surface of the skin, with a diameter of less than 2mm. Normal people’s skin can occasionally see a small amount of bleeding spots, can be caused by accidental injury resulting in local capillary damage caused by the inner side of the upper arm, scattered distribution, usually the size of a needle point, pressure does not fade, no pain, and no itching and other discomforts, so there is no need to worry too much. If there is a large number of bleeding points or spontaneous subcutaneous bleeding on the body, attention should be paid to the common causes, including allergic purpura, thrombocytopenic purpura, leukemia, hemangioma and so on. At this time, it is necessary to consult a doctor in a timely manner, improve the blood routine and coagulation function and other tests, and actively find the cause of the disease, under the guidance of the physician to eliminate the cause of the disease, targeted treatment.