Perilla seeds, lai shou zi, mustard seeds brewed water to drink has the effect of lowering qi and resolving phlegm, asthma, warming the lungs and so on. However, the dose of water is limited, it is difficult to achieve the above effect, it is recommended to follow the doctor’s instructions for medication. Perilla seeds, flavor pungent, warm nature. Attributed to the lung meridian. It has the effect of lowering qi and resolving phlegm, relieving cough and calming asthma (stopping coughing and calming wheezing), moistening the bowels and laxative. It is used for phlegm congestion, cough and asthma, intestinal dryness and constipation. Lung deficiency, cough and asthma, spleen deficiency, loose stools (feces thin and unformed) is prohibited. Lycopodium, pungent, sweet, neutral. It belongs to lung, spleen and stomach meridians. It is effective in eliminating food stagnation, removing flatulence, lowering qi and resolving phlegm. It is used for food stagnation, epigastric (abdominal) distension and pain, constipation, stagnation and diarrhea, phlegm congestion and cough. Mustard Seed is pungent in flavor and warm in nature. Attributed to the lung meridian. It warms the lungs, expels phlegm and induces qi, disperses knots and relieves pain by clearing the meridians. It is used for coughing with cold phlegm, distension and pain in the chest and ribs, and stagnation of phlegm in the meridians. This medicine is pungent, warm and dispersing, which drains qi and injures yin, so it should be used with caution for people with prolonged coughing in lung deficiency and yin deficiency and fire exuberance (deficiency of yin and essence in the body, resulting in hyperactive fire); and it should not be used for people with qi and yin deficiencies and those who have a tendency to hemorrhage. If you need to take all three, it is recommended to do so under the guidance of a doctor.