Lumbar protrusion generally refers to lumbar intervertebral disc herniation. White mustard has the efficacy of resolving phlegm and expelling drinks, dispersing knots and eliminating swelling, according to the theory of traditional Chinese medicine, the drug has a certain therapeutic effect on the joint swelling and pain caused by lumbar disc herniation, but the method of taking this drug is mainly based on decocting soup to take internally, and the efficacy of external application for lumbar disc herniation is limited. White mustard is the seed of the cruciferous plant white mustard. The drug has the effect of resolving phlegm and expelling drinks, dispersing knots and eliminating swelling, and can be used for coughing and asthma with much phlegm, chest fullness (chest fullness and discomfort), dystocia (pain in the area of dystocia and ribs), numbness of the limbs, joint pain, damp phlegm flow (multiple abscesses in the deep muscle), and yin gangrene (a kind of slow negative sores and ulcers), and swelling and toxins, and so on. The drug should be used with attention to lung deficiency and cough, yin deficiency and fire should be avoided. Patients with lumbar intervertebral disc herniation are advised to go to a regular hospital for consultation and treatment under the guidance of a professional physician for evidence-based treatment.