With the efficacy of nourishing the kidney and nourishing the heart, activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), Xin Yuan Capsule can be used to treat chest paralysis (stuffy pain in the chest) caused by yin deficiency of the heart and kidneys (deficiency of the heart and kidneys’ yin and fluid), stasis of the heart and blood (insufficient heart qi and obstruction of the blood’s circulation), and the possible side-effects include abnormalities of the liver’s biochemical indexes. Xinyuan Capsule is a tonic Chinese patent medicine, composed of He Shouwu, Salviae Miltiorrhizae, Di Huang and other medicines, which has the effect of nourishing the kidney, nourishing the heart, activating blood circulation and removing blood stasis. This product can be used to treat chest paralysis, cardiac and renal yin deficiency, cardiac and blood stasis, symptoms of chest tightness and discomfort, stabbing or cramping pain in the chest, or chest pain through the back, fixed, worse at night, palpitations (heartbeat faster, often accompanied by panic), night sweating (sweating abnormally after going to sleep, waking up sweating to stop), disturbed and insomnia (heart fever, insomnia symptoms), lumbar soreness and knee weakness, tinnitus dizziness, and so on. This product may also be used to treat stable exertional angina of coronary heart disease and hyperlipidemia when the above symptoms are seen. Side effects that occur with the use of this drug include abnormal liver biochemical indicators, so patients with a history of liver disease should use it with caution, and patients with hepatic insufficiency are prohibited from using this drug. Pregnant women should avoid the use of this drug. Patients who need to use this drug should use it under the guidance of a doctor and should not use it on their own.