Has the effects of invigorating spleen, benefiting qi, moistening lung, eliminating dampness, promoting diuresis, arresting sweating and preventing miscarriage. For spleen deficiency, anorexia, abdominal distension and diarrhea, excessive phlegm, dizziness and edema, spontaneous sweating and fetal movement. "Medical Source" records: "Dryness and dampness are beneficial to dryness, harmonizing the middle energizer, warming the middle energizer, removing dampness from the spleen and stomach, removing stomach heat, strengthening the spleen and stomach, eating it, quenching thirst and preventing miscarriage."