Posterior thigh strain is due to daily life, or sports exercise process, resulting in local muscle overstretching injury, posterior thigh strain after the specific how long can recover and the severity of the strain is directly proportional to the degree. Only minor strains can be recovered in a week or so, provided that it is effectively treated, and more serious strains need at least 3-4 weeks to return to normal. Patients with posterior thigh strains should go to the hospital in a timely manner to check the severity of the strain, and choose to give the appropriate treatment measures for the treatment of relatively minor strains are basically to give conservative treatment measures. Can thigh braking with a brace or plaster for immobilization to avoid recurrence of injury, and then cold compresses to deal with, you can use a towel wrapped in ice in the affected area to play the role of pain, bleeding, swelling, strains later changed to hot compresses in order to promote the absorption of bruises to ease the pain.