The efficacy and role of glutamine is mainly shown in the following points: First, glutamine has an anti-arrhythmic effect, it can regulate the function of plant nerves, so that the excitability of the heart muscle is reduced. Its hypolipidemic effect can also improve the blood supply of the heart muscle, play a role in improving sleep; if the elderly friends are prone to wake up at night, the appropriate take glutamine effect is better; second point, can also treat hyperlipidemia, it can inhibit the synthesis of cholesterol, but the oral dose should be larger, 100mg per time, 3 times a day; third point, the treatment of chronic gastritis, about 50-600mg per day, 2-4 weeks as a course of treatment The fourth point, can be used for beauty, it can reduce the capillary fragility, improve the skin microvascular circulation function, treatment of menopausal skin disease, head furuncle; fifth point, treatment of multiple mouth ulcers; sixth point, the role of growth promotion; seventh point, glutathione is also commonly used in the adjuvant treatment of menopausal syndrome, insomnia of menopause has a very good improvement effect; eighth point, glutathione on insomnia The eighth point, glutamine on insomnia, neurasthenia patients have a certain regulatory effect, but for patients with severe insomnia role is relatively small.