Summer and autumn, the climate is hot, the relative humidity in the air, many people crave cold drinks, chilled melons and fruits, some people even chilled melons and fruits as the main food; this time, the street stalls are often hot business, friends and family to meet, while eating barbecue, while drinking cold beer, pushing a glass, and also enjoy; there are people who can not stand the heat, stay in the air-conditioned room for a long time, and the temperature is set very low, every day with tap water Flush. Over time, some people will have fever, dizziness, drowsiness, loss of appetite, nausea and vomiting, loose stools and other symptoms, to the hospital, the doctor will tell the patient that this is summer damp cold, the reason is the summer damp season greedy cold, excessive drinking, eating too much fatty diet, excessive use of air conditioning and frequent shower, resulting in external cold damp, internal injury damp stagnation. Finally, the doctor will give the patient a few packets of Chinese medicine “Huo Xiang Zheng Qi San” to take, and often the symptoms will be eliminated in a day or two, and the effect is very obvious. It is mainly used for treating gastrointestinal colds caused by external wind-cold and internal dampness stagnation, such as fever, headache, stuffiness in the chest and diaphragm, vomiting, diarrhea, etc. It is especially effective for summer heat and dampness colds. It is particularly effective for summer heat and dampness colds. The formula is mainly based on Huo Xiang, which disperses wind and cold, aromatizes dampness, harmonizes the stomach and pleases the spleen, and is supplemented with qi-drying products, so that wind and cold are relieved and cold and heat are removed, qi is unblocked and the chest and stomach are relieved, the spleen and stomach are harmonized and vomiting and diarrhea are stopped, and evil qi is removed and right qi is restored. When applying Huo Xiang Zheng Qi San, decoct it for about 10 minutes and do not decoct it for a long time because most of the drugs are aromatic and decocting it for a long time will destroy the medicinal effect. If you take it while it is hot, avoid the wind and make your body sweat slightly, then the cold will be removed and the dampness will be removed and the evil will be restored, and the symptoms will be relieved. In addition to the bulk form, there are also proprietary Chinese medicines of Huo Xiang Zheng Qi in pharmacies and hospitals, including Huo Xiang Zheng Qi Water, Huo Xiang Zheng Qi Pills, Huo Xiang Zheng Qi Tablets, Huo Xiang Zheng Qi Soft Capsules, Huo Xiang Zheng Qi Drops, Huo Xiang Zheng Qi Oral Liquid, Huo Xiang Zheng Qi Granules, etc. Although the ingredients are basically the same, their efficacy varies slightly due to the different dosage forms. Huo Xiang Zheng Qi water is made by boiling and alcohol immersion, and is the most effective among several dosage forms, but it has a poor taste. When taking the medicine, you can pour it into a cup and then pour about 30 ml of hot water into it and drink it while it is hot. Avoid eating cold, fishy, greasy, sour and spicy foods during the medication period. Those who are allergic to alcohol or cannot drink alcohol should use it with caution or switch to other dosage forms. Because it contains a small amount of alcohol, you should not drive while taking patchouli to avoid being mistaken for a drunk driver. Huo Xiang Zheng Qi Pills are honey pills made from honey, which are slow and long lasting. Huo Xiang Zheng Qi tablets are tablets pressed with medicinal noodles, which are equivalent to loose doses to be taken, but the medicinal properties are easily volatile and should not be stored for a long time. Huo Xiang Zheng Qi soft capsules and drops are new dosage forms of Chinese medicine, which are more quickly absorbed than ordinary pills and dispersants, more effective, easier to swallow, and have no obvious irritating medicinal taste. Huo Xiang Zheng Qi granules and Huo Xiang Zheng Qi oral liquid, which have a better taste, are less effective compared to other proprietary Chinese medicines in the Huo Xiang Zheng Qi category, but they are not a bad choice for people who are afraid of the bitter taste of Chinese medicine, and are especially suitable for children. Patchouli can not only be taken orally, but can also be used externally. Topical patchouli can be used to treat heat rash in children: take one patchouli and dilute it with cool boiled water or saline in the ratio of 1:1 to 3; the younger you are, the more water you can add. Before using the medicine, wash and dry the area with warm water, and then apply the diluted medicine with a sterilized cotton pad 2 to 3 times a day. Treatment of sweat rash: wash the affected area and apply 3 to 5 times a day to have a good anti-itch effect. Soak your body with patchouli in your bath water to prevent sweat rash. Since patchouli, perilla, dahurica and orris in patchouli water have fungal inhibiting effects, applying it to the affected area can treat ringworm, tinea capitis and nail fungus. In addition, patchouli can also be used externally to treat mosquito bites, dermatitis, vulvar itching, anal eczema, external hemorrhoids, and boils. In fact, Huo Xiang Zheng Qi Shui also has the following wonderful uses: 1 to 2 pieces of Huo Xiang Zheng Qi Shui can be taken orally, which can significantly relieve the symptoms of heatstroke; used with Huang Lian Su can treat diarrhea; before riding in a car or boat, use a cotton pad dipped in Huo Xiang Zheng Qi Shui to apply to the navel, and 5 minutes before riding in a car, take 1 piece of Huo Xiang Zheng Qi Shui orally to prevent motion sickness and seasickness. It should be noted that Huo Xiang Zheng Qi Shui also has side effects, the most typical being allergic reactions, so it is best to follow medical advice when using this medicine.