The efficacy of Luo Han Guo flowers in water mainly includes sliding intestines, clearing heat and cooling blood (using heat to relieve blood heat), etc. The side effects are mainly long-term drinking easy to lead to the emergence of spleen and stomach cold (spleen and stomach weak cold), which is detrimental to the health of the body. Luo Han Guo flower has the effect of clearing heat and removing toxins (removing heat and poisonous evil from the body), sliding the intestines and cooling the blood, etc. It is more suitable for constipation, sore throat and loss of voice, halitosis, pharyngitis as well as tonsillitis and other medical conditions. Side effects are mainly reflected in the long-term drinking Luo Han Guo flower water can easily lead to the body cold, the body of the spleen and stomach cold related symptoms, such as bloating, diarrhea, and loss of appetite, etc., need to strictly follow the doctor’s instructions for the use of medication, to avoid adverse reactions. It is recommended that when drinking water infused with rosmarinus officinalis flowers, you should pay attention to adjusting the amount of drinking and drinking concentration, avoiding excess or concentration is too high, so as not to increase the burden on the body, the health of the body to cause unnecessary harm. A single flavor of Chinese medicine bubble water medicinal efficacy is limited, can not be used to treat the disease, such as discomfort symptoms, it is recommended to go to the hospital in a timely manner, under the guidance of a physician to identify the use of medication.