Aloe vera is bitter and cool in nature and is classified as stomach and liver meridian. Its efficacy and function are as follows: 1, according to research found that aloe contains a large number of flavin band, these components play a role in promoting appetite, colon slow diarrhea, is the best food to treat constipation; 2, aloe is rich in chromium, chromium can promote insulin secretion, so that blood sugar back to normal, the cell to rely on insulin to transport blood sugar into the cell into energy, if chromium is reduced, insulin efficiency will be reduced, so that Blood glucose elevation occurs diabetes, so aloe vera can also assist in the treatment of diabetes; 3, aloe vera is rich in protein, is the core component of polysaccharides, mucus-like substances are important components to prevent cell aging and treatment of chronic allergic diseases, so aloe vera has the efficacy and role of delaying aging; 4, aloe vera is rich in immune resurrection with polysaccharides, can improve the body’s ability to resist disease, to a variety of chronic diseases, such as Hypertension, gout, asthma, cancer, etc., in the treatment process with the use of aloe vera, can play a role in enhancing the efficacy, accelerate the recovery of the body; 5, aloe vera is rich in folic acid, vitamin B6, etc., is a bitter spleen cleansing agent, anti-inflammatory, repair the gastric mucosa and pain relief, conducive to the treatment of gastritis, gastric ulcer, can promote the healing of ulcers; 6, aloe vera also has antiseptic, anti-inflammatory, pain relief of anti-infective effects , aloe vera in the aloe tincture is a very strong antibacterial substances, can kill a variety of fungi, mold, bacteria, viruses and other germs, to destroy the development and reproduction of pathogens, especially the polysaccharides of aloe vera, can enhance the body’s resistance to disease, can be used to treat skin diseases, chronic nephritis, cystitis, bronchitis, etc.; 7, the side effects and contraindications of aloe vera, over-eating aloe vera can lead to diarrhea, so that the intestinal tract dysfunction, and Poisoning can occur, such as nausea, vomiting, diarrhea, abdominal pain, blood in stool, etc.; Aloe contains iron, the metabolism of iron in the body can turn into nitrogenous waste, and therefore excreted by the kidneys, if over-eating aloe can lead to excess iron, which will increase the burden on the kidneys.