Snow lotus seed, also known as soapnut, has the efficacy of expectorating phlegm, opening and closing the orifices, expelling wind and killing insects. Snow lotus seed is the mature fruit of soap pods, taste pungent, salty, with a small poison, belonging to the lung, liver, stomach, large intestine meridian. Snow lotus seed can dispel stubborn phlegm, can be used for the treatment of cough, asthma, phlegm thick and difficult to cough out, etc., can be used with other drugs, or can be taken alone; can also be used for the treatment of phlegm obstruction caused by stroke, fainting, epilepsy, dermatophytosis, constipation, sores and carbuncles and other diseases. Precautions: snow lotus seed is toxic, excessive dosage may stimulate the gastric mucosa nausea, vomiting, diarrhea, etc., in severe cases, it may corrode the gastric mucosa and produce systemic toxicity, hemolysis, respiratory paralysis, etc., in severe cases, it can cause death. Pregnant women and coughing up blood, vomiting blood patients should not take. If you need to take snow lotus seed, it is recommended to use it under the guidance of a doctor.