Stewed chicken with Radix Codonopsis and Radix Astragali can benefit qi and blood, improve human immunity, strengthen the body, strengthen the spleen and stomach, and prolong life. Codonopsis pilosula belongs to spleen and lung meridian, and has therapeutic effects of invigorating middle energizer, benefiting qi and promoting fluid production, and can be used for treating diseases such as deficiency of both qi and blood, weakness of spleen and stomach, fatigue, chronic diarrhea, anorexia, thirst and proctoptosis. Astragalus is sweet and slightly warm; Spleen and lung meridian. It has the effects of invigorating qi, consolidating exterior, expelling pus, promoting diuresis and promoting granulation.