Subcutaneous bleeding after calf cramps is considered normal, but it can not be ruled out that it is caused by drug allergy, coagulation dysfunction and other reasons. 1. Normal: leg cramps are more serious when it will cause capillary rupture, there may be subcutaneous bleeding, this situation is a relatively normal phenomenon, you can use cold towels for local cold compresses to control the bleeding, 72 hours after the hot compresses, to promote the absorption of local blood dissipation. 2. Unusual (1) drug allergy: some patients suffer from certain diseases, such as drug allergy, resulting in a decrease in the number of platelets, or progressive reduction, can also cause subcutaneous hemorrhage, generally not related to leg cramps, to be treated for the original disease. (2) Coagulation dysfunction: if the patient suffers from certain blood system diseases, dysfunction or lack of coagulation system, resulting in the patient’s coagulation system dysfunction, there will be subcutaneous bleeding or even intracavitary bleeding, generally not related to leg cramps, need to be treated for the original disease. There may be other causes of subcutaneous bleeding after calf cramps, so you should consult a doctor in time to clarify the specific cause, and treat accordingly if necessary.