Nutritional value of pineapple: it has the functions of invigorating stomach, promoting digestion, relieving fever and summer heat, relieving alcoholism, lowering blood pressure, resisting cancer, invigorating spleen and relieving diarrhea, clearing stomach and quenching thirst. It can be used for dyspepsia, enteritis and diarrhea, body heat and polydipsia caused by summer heat, and can also be used for adjuvant treatment of hypertension, dizziness and weakness of hands and feet. Pineapple contains a substance called "pineapple protein", which can decompose protein, dissolve fibrin and blood clots blocked in tissues, improve local blood circulation and eliminate inflammation and edema; Sugar, salt and enzyme in pineapple have diuretic effect, and moderate consumption is beneficial to patients with nephritis and hypertension. The sugar, salt and enzyme contained in pineapple have diuretic effect, and moderate consumption is beneficial to patients with hypertension and nephritis. Pineapple enzyme can also dissolve fibrin and blood clots blocked in tissues, improve local blood circulation and eliminate inflammation and edema.