Abstract:Objective:To study the effects of nutrition blood flow of cardiac muscle in mice by different extracts in Radix Ophiopogonis.Methods:The Rb86 mice model was used.Results:The total saponins and total polysaccharides in Radix Ophiopogonis can increase nutrition blood flow of cardiac muscle in mice.Conclusion:The total saponins and polysaccharides in Radix Ophiopogonis could be main effective fractions protecting myocardial ischemia.