Astragalus and Cortex Eucommiae can be used together to tonify the liver and kidneys, strengthen qi and blood, and are mostly used in paralysis with deficiency of liver and kidneys (weakness of liver and kidneys) and weakness of qi and blood. Astragalus has the effect of tonifying qi and nourishing blood, elevating yang qi, and Cortex Eucommiae has the effect of tonifying the liver and kidney, strengthening the muscles and bones, and the two can be used for the paralysis of liver and kidney deficiencies (weakness of the liver and kidneys), and insufficiency of qi and blood, manifesting as swollen and painful joints, impotence of the waist and knees, numbness of the limbs, fear of cold, and shortness of breath and weakness, etc. Both of them are warming medicines. Both are warm medicines and are prohibited for people with hot constitution. Adverse reactions include allergy, dry mouth, constipation and so on. Physical symptoms need to go to the hospital in a timely manner, if you want to take Chinese medicine to treat the disease, need to be in the guidance of a Chinese medicine practitioner to use medication, individuals should not take their own medication, so as not to cause adverse consequences.