Aloe vera is not poisonous, but it is not suitable for people with cold spleen and stomach (weak and cold spleen and stomach). Aloe vera can be eaten, can be taken orally as medicine, can be used fresh aloe vera for external use, can also be used aloe vera drink decoction external wash. Aloe vera as a food is of high value, containing a variety of amino acids, vitamins, polysaccharides, etc., moderate consumption is beneficial to health. Aloe vera can be used as a traditional Chinese medicine, bitter and cold in nature, belonging to the liver, stomach, large intestine meridian, with diarrhea, clearing the liver. It can be used to treat constipation, pediatric noma and other diseases. However, due to the bitter-cold nature of aloe vera, people with cold spleen and stomach are prone to diarrhea and abdominal pain after taking it. Aloe vera drinking tablets can be used externally after decoction in water to treat eczema, ringworm, pruritus and other stubborn skin diseases.