The efficacy of kapok is to clear heat, diuresis, etc., but the active ingredient in water is limited, the therapeutic effect is limited, need to follow the doctor’s instructions for rational use. Kapok is a kind of sweet, light, cool nature of the Chinese herbal medicine; for the dried flowers of kapok into medicine, to the stomach meridian, large intestine meridian. It has the effect of clearing away heat and dampness (removing heat and dampness from the body), relieving heatstroke and cooling the blood. It is used for the treatment of coughing up blood, vomiting blood, bleeding from gold sores, hematochezia, diarrhea, dysentery, eczema, sores and so on. Kapok can be used by decocting soup and taking it internally, or grinding it into powder. Its adverse reactions and contraindications are not clear. Patients who are not feeling well are advised to consult a doctor in time for treatment under the guidance of a doctor’s diagnosis, so as not to make a mistake.