The appropriate concentration of ropivacaine for local anesthesia in intervertebral foramenoscopy surgery is 0.18%. In the test, it was found that the appropriate concentration and dose of lumbar anesthesia in intervertebral foramenoscopy surgery is 0.18% ropivacaine 5ml, which can play anesthetic effect and have little effect on the movement of the lower limbs. Ropivacaine is mainly used for surgical anesthesia and acute pain control, usually doctors will use according to the patient’s own condition and anesthesia effect to make reasonable dosage adjustment, the product has certain adverse reactions, such as nausea, vomiting, hypotension and so on. This product should be prohibited for those who are allergic to this product and other components of this product, should not be used by children under 12 years of age, and should be used with caution in patients with degree II or degree III AV block. All of the above medications should be used under the supervision of a doctor, avoid self-medication.