Poor blood circulation generally refers to a phenomenon in which there is some poor blood circulation in the terminal parts of the limbs, with bruising and then whitening and darkening of the extremities. Then the extremities are cold and appear like varicose veins or even bruised dermatitis. In the treatment, first of all, patients with poor blood circulation should pay attention to avoid standing for a long time, and if they stand for a long time, they should try to wear elastic stockings. In addition, oral medication to improve the circulation, such as horse chestnut seed extract, mai zhi ling tablets and so on. Massage of the extremities and baths should be given.