Lumbar vertebrae 4-5 slip ligamentum flavum thickening, the treatment mainly includes conservative treatment and surgical treatment. 1. Conservative treatment: Firstly, patients are advised to reduce bending movements, avoid sitting and standing for a long time, and usually wear a waist cuff to strengthen the protection of the vertebrae. Secondly, you can choose heat therapy, massage, physiotherapy and other ways to increase local blood circulation and relieve muscle fatigue. Patients with more obvious pain symptoms can choose medication, such as ibuprofen, mannitol, methylcobalamin tablets and so on. The above drugs need to be used under the guidance of the doctor, avoid self-medication. 2. Surgery: Surgical intervention can be considered for patients whose symptoms have not significantly improved after conservative treatment, or patients whose symptoms are further aggravated with weakness of both lower limbs and dysfunction of both bowels. Surgical methods mainly include intervertebral foraminoscopy, radiofrequency ablation, disc removal + fusion surgery, etc. The specific surgical methods need to be determined according to the patient’s primary disease. The specific surgical approach needs to be decided according to the patient’s primary disease. In case of abnormal results of lumbar spine examination, it is recommended to consult a doctor in time to clarify the cause of the disease with the help of the doctor and carry out targeted treatment or therapy.