The purple color of the calves should be considered whether it is caused by varicose veins. The purple color of the calves caused by varicose veins can be eaten more food to soften the blood vessels, such as black fungus, tomatoes and so on. In daily life, you can also do more leg soaking to promote local blood circulation, which is also more helpful for varicose veins in the legs. This kind of patients need to pay attention to avoid standing for a long time in daily life, need to take proper rest or change the posture, if necessary, you can wear compression stockings for the treatment of varicose veins. However, the purple color of the calves can not be ruled out whether it is caused by other causes, so it is necessary to go to the regular hospital for a comprehensive examination to find out the cause of the disease and then carry out symptomatic treatment. If purple bruises appear on the calves, you need to go to the hematology department of the regular hospital for examination to exclude the possibility of blood diseases.