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Nail-patella syndrome (NPS) is a hereditary rare disease that can involve fingernail, patella, elbow, and iliac bones. In this article, we report a case of a girl-9 and 1 quarter years old who had asthmatic contractures in both elbows, thumbnail hypoplasia in both hands, patellar dislocation of both knees, iliac angle protrusion of both sides, and scoliosis. Whole exome sequencing suggests the presence of a LMX1B NM_002316.4:c.706G > C(p.Ala236Pro) mutation. NPS is an autosomal dominant disease associated with gene mutation of LMX1B, which can be diagnosed by combining the patient′s clinical manifestations and genetic results. The treatment now only targets on symptoms, relieving the localized severe lesion but not cure right now.