Luo Han Guo needs to be brewed in hot water above 60°C for more than 10 minutes. 1. The fruit of Luo Han Guo is relatively dry, when brewing, it is best to cut the fruit, which is conducive to the precipitation of the active ingredients. 2. To be brewed in hot water above 60°C, but due to the lighter texture of Luo Han Guo, it is easy to float on the water surface, avoid scalding when brewing. 3. Luo Han Guo shell is hard, can not be swallowed, so as not to scratch the esophagus, so only used to soak water, not recommended for consumption. Luo Han Guo alone bubble water to drink, the effect if not obvious, can be appropriate to add other herbs, such as honeysuckle, chrysanthemum, maitake, etc., to increase the efficacy of clearing heat and detoxification (clearing the body of heat and toxicity of the evil) nourishing Yin. In addition, Luo Han Guo is cold in nature, and patients with cold spleen and stomach (weak and cold spleen and stomach) and loose stools are advised not to drink it. Luo Han Guo soaked in water to drink the active ingredients are limited, generally does not play a therapeutic role, can not replace the drug. Patients who are not feeling well are advised to seek timely medical attention.