Ginkgo biloba tablets take a few days to see the effect depends on the individual situation, the symptoms of light people see the effect of fast, heavy people need a longer period of time, but 2 weeks of medication does not relieve or worsening of the symptoms of the person should be timely consultation. Ginkgo biloba has the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body). It is used for chest paralysis (chest pain) caused by blood stasis, heart pain, stroke, hemiplegia (one side of the limb can not move freely), strong tongue and speech; coronary heart disease stable angina pectoris, cerebral infarction with the above symptoms. Adverse reactions and contraindications of Ginkgo biloba are not yet clear, if used with other drugs may occur drug interactions, please consult your physician or pharmacist for details. If you need to use Ginkgo biloba, must be used under the guidance of a professional doctor.