Left thigh L5 osteophyte is bone spur, patients can take medication, surgical treatment, general treatment and other therapeutic measures. 1. Medication: Patients with L5 bone spur can take oral acetaminophen tablets, celecoxib capsules, ibuprofen extended-release capsules and other non-steroidal anti-inflammatory drugs as prescribed by the doctor, as well as flurbiprofen cream, indomethacin cream and other topical creams. 2. Surgery: Patients with L5 bone spurs in the left thigh generally do not need to take surgery, but if the patient’s ear bone spurs nerves, blood vessels or tendons, you can take minimally invasive arthroscopy to remove the bone spurs, artificial joint replacement and other surgical methods. 3. General treatment: It is recommended that patients with bone spurs should rest adequately, and if pain occurs, they should rest on the spot and avoid exercise. Patients should reduce weight appropriately, as excessive weight will accelerate the wear and tear of the joints. Patients should keep the affected area warm to avoid cold irritation that may aggravate the symptoms. Patients with L5 bone spurs in the left thigh should seek prompt medical attention and follow the doctor’s instructions.