Dilong, Panax ginseng and leeches can all activate blood circulation and eliminate blood stasis in the clinic, and can be used to treat symptoms of cerebral infarction such as unfavorable movement of limbs and purplish tongue caused by blood stasis and obstruction. Dilong, panax ginseng and leeches are all Chinese medicines, and all three have the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body). For cerebral infarction which belongs to the syndrome of blood stasis and obstruction, with clinical symptoms such as unfavorable speech, unfavorable movement of limbs, impeded mobility, headache, crooked eyes and mouth, purplish and dark tongue, and thin and astringent pulse, etc., the above three medicines can be chosen for treatment. However, it should be noted that pregnant women and people with excessive menstruation are forbidden to use medicines that activate blood circulation and remove blood stasis, and leeches are forbidden; bleeding due to deficiency of yin and blood heat should not be used alone. If you have symptoms, you should take medication under the guidance of a professional doctor, do not take medication blindly, in order to avoid delaying the condition or producing adverse reactions.