Cerebral infarction is a stroke in Chinese medicine, and the main effects of Siegesbeckia wilsonii are to dispel wind-dampness and activate the meridians and collaterals, among which Siegesbeckia is useful for hemiplegia (the inability to move one side of the limb at will) that occurs with a stroke. Siegesbeckia has the efficacy of dispelling wind-dampness, facilitating the joints and detoxifying the body. Clinically, it can be used to treat unfavorable movement of the muscles and bones, hemiplegia, numbness of the limbs, hemiplegia after stroke, and weakness of the waist and knees. It can also treat rubella and eczema itching of the skin; jaundice caused by dampness and heat. Adverse reactions and contraindications are not exact. Wei Ling Xian can dispel wind-dampness and open the meridians. It has therapeutic effect on unfavorable joint movement, numbness of limbs and contracture of tendons and veins caused by rheumatism and dampness paralyzing the joints. It can also open the meridians and collaterals, and has therapeutic effects on bruises, stomachache, headache and toothache. Caution should be taken if the qi and blood are weak. Adverse reactions and contraindications are not clear. If you feel unwell, please seek medical advice, if you need to take the above drugs should be used under the guidance of a doctor.