Depending on the type of blood circulation and pain relief cream and the severity of the injury, the duration of the application of the cream is also different, and the general course of treatment is about 1-2 weeks. Blood circulation and pain relief ointment is commonly used in the treatment of bruises, such as soft tissue contusions, joint sprains, muscle strains, etc. It can also be used to treat localized pain caused by stagnation of qi and blood stasis. The cream is usually applied to the affected area, usually for 12-24 hours and replaced daily. It should be noted that a long period of time will stimulate the local skin, may cause dermatitis, eczema and other local skin diseases, causing local skin redness and itching symptoms, so the duration of the paste is generally no more than 3 weeks. In addition, after the occurrence of bruises should first go to the orthopedics and traumatology department, through the physical examination, X-ray film and other checks, except for fractures, serious soft tissue injuries, and then under the guidance of the doctor to apply the blood pain relief cream treatment.