Pseudostellaria heterophylla is sweet in taste and has the effects of invigorating qi, nourishing blood, neurasthenia, strengthening spleen, nourishing stomach and promoting fluid production. It has good curative effects on dyspepsia, physical weakness, neurasthenia, cough due to lung deficiency, spontaneous sweating, spleen deficiency, diarrhea, palpitation and deficiency of both qi and blood. Pseudostellaria heterophylla has a mild drug force, and its effect of invigorating qi is weaker than that of Ginseng and Codonopsis, but its effect of promoting fluid production is stronger than that of Codonopsis.