The main difference between traditional Chinese medicine and western medicine lies in the composition, with traditional Chinese herbs as the components of the composition of the drug for the Chinese medicine, while the chemical preparation as the main component of the drug developed for the western medicine, the difference between the two can also be through the production method, the underlying principle, the mode of delivery of the drug to distinguish between the two aspects. 1. The most significant difference between traditional Chinese medicine and western medicine lies in the production process. Traditional Chinese medicine is made into medicine for treatment through the concoctions such as water system, fire system or water-fire system. Western medicines are mainly processed through modern technology by applying chemical synthesis or animal and plant purification methods. 2. In terms of basic principles, Chinese medicine is mainly used in the system of traditional Chinese medicine for the whole body to carry out dialectics, so as to treat the whole body; Western medicine is used in the theoretical system of Western medicine for the treatment of symptoms or a certain aspect of the cause of the disease, so that the treatment is more accurate. 3. The difference between traditional Chinese medicine and western medicine is that western medicine can be administered intravenously, intramuscularly, or in the abdominal or thoracic cavity, whereas traditional Chinese medicine is mostly administered through external application and internal use. Of course, nowadays, some herbal ingredients are made into proprietary Chinese medicines through purification, which can also be applied by intravenous injection, such as Salvia divinorum injection and so on.