氧化镁和维生素B_6对泌尿系结石的防治有一定的临床价值。本文报道1971～1985年间临床应用的效果。将长期服药组与未服药组比较,服药组对遏制结石的形成及防止 Magnesium oxide and vitamin B_6 on the prevention and treatment of urinary stones have some clinical value. This article reports the effect of clinical application from 1971 to 1985. The long-term medication group and non-medication group, medication group to curb stone formation and prevention