How long it takes for a strained posterior thigh tendon to recover naturally depends on the severity of the strain and the individual patient’s condition, and should be analyzed on a case-by-case basis. After a strain of the posterior thigh tendon, the local area may show tingling or radiating pain, and in severe cases, it may be combined with swelling. Therefore, patients need to recuperate for a period of time, within 48 hours of injury, local cold compress treatment, after 48 hours you can use a towel or warm water bag for hot compress treatment, can reduce swelling, improve local blood circulation, conducive to tissue recovery. Those with mild symptoms can generally recover from the strain in 1-2 weeks, while those with more severe symptoms have difficulty recovering naturally and need active treatment, which may take 1 month or more to recover. In addition, patients need to pay attention to bed rest, avoid strenuous exercise, if necessary, you can follow medical advice to take non-steroidal anti-inflammatory and analgesic drugs.