Saganum is effective in clearing heat and removing toxins (removing heat and toxicity from the body), expelling phlegm, and inducing sore throat. It is used to treat heat and toxic stagnation and sore throat. Side effects are not yet clear. Sagan is a kind of traditional Chinese medicine, which is the dried rhizome of Iris Sagan plant Sagan. It has the effects of clearing heat and removing toxins, eliminating phlegm and inducing sore throat. Sjogang is used for heat-poison, phlegm-heat stagnation, sore throat, phlegm-dampness and water-dampness, asthma and other conditions. It can be used alone or in combination with Shengma and Licorice for treating heat-phlegm stagnation and sore throat, and with Jingwu, Lianjiao and Burdock for treating wind-heat and sore throat. The side effects of Sagan are not clear, and it should be noted that it is not used with caution in the absence of solid fire or loose stools in spleen deficiency; it is not recommended for pregnant women. If you need to use medication, you need to use it under the guidance of a traditional Chinese medicine practitioner, and you should not use medication on your own to avoid adverse effects on your body.