Half-summer poisoning can recover on its own in mild cases, while in severe cases, the medicine should be stopped and immediate medical treatment should be carried out by a doctor. Half-summer is a cough suppressant and asthma reliever, with the effects of drying dampness and resolving phlegm (expelling dampness by drying dampness and dissolving phlegm), lowering the rebelliousness and stopping vomiting (preventing the upward flow of stomach qi and stopping vomiting), and eliminating lumps and dispersing knots (eliminating the knots in the body), and it can be used for treating the phlegm-dampness congestion of coughing, asthma and phlegm, and the wind and phlegm uptick (wind and phlegm evils intruding on the head) of dizziness, headache, vomiting and regurgitating, the stuffiness in the chest and stomach and the throat with a sense of obstruction and other illnesses. Half-summer is used in raw form for external treatment of skin abscesses or broken swellings. This product should be used with caution in cases of yin deficiency and dry cough, fluid injury and thirst, dry throat and nose, unpleasant sputum and bleeding; pregnant women should be cautious in taking this product; and it should not be used with medicines such as aconite and epiphyllum and their products. After taking half-summers may appear rash, itching and other adverse reactions; poisoning may have numbness of the mouth and tongue, sore throat, accompanied by burning sensation, hoarseness, throat edema swallowing difficulties, diarrhea, abdominal pain, throat cramps and other symptoms, serious cases may have difficulty breathing or even death. The person who appears half-summer poisoning, it is best to promptly seek medical attention, under the guidance of the doctor symptomatic treatment, do not delay, in order to avoid the emergence of critical symptoms.