Medicinal plants are used to treat and prevent diseases and maintain health in various medical systems. They are considered as natural sources of active Chemical compounds, nutrients, antioxidants and other compounds that have therapeutic properties. In traditional medicine, the use of Medicinal plants as a treatment has a long history and exists in different cultures and traditions of the world. In this system, medicinal plants are used as medicines, teas, extracts, extracts and powders.

In addition to traditional medicine, the use of medicinal plants is increasing in modern medicine. Many active compounds found in medicinal plants are used as primary molecules for the manufacture of drugs and medical products. Scientific research on medicinal plants has shown that they can be effective in the treatment of various diseases such as cardiovascular diseases, cancer, inflammation, infectious diseases and neurological disorders. Also, complementary and alternative treatments also use medicinal plants. For example, in acupuncture, acupuncture, traditional Chinese medicine and Ayurvedic medicine, prescriptions of medicinal plants are used to improve and balance the body.

Large pharmaceutical companies around the world use medicinal plants in the production of their medicines. In fact, many drugs that are available in pharmacies contain active substances derived from or extracts from medicinal plants. Listed below are examples of medicines that are produced from medicinal plants:

• Digoxin : This drug, which is used to treat heart diseases, is obtained from the extract of the digitalis plant.
• Tamoxifen : This drug is used to treat breast cancer and is a derivative of the Tamoxifen plant.
• Paclitaxel : This drug, which is used in the treatment of some types of cancer such as breast cancer, is obtained from the extract of the Taxus plant.
• Aspirin tablets : Aspirin, which is used to reduce inflammation, relieve pain and prevent bleeding, is traditionally obtained from the willow bark plant.
• Ginkgo biloba : The extract of this plant is used to improve mental performance and memory and is available as a dietary and medicinal supplement.

Herbal compounds may be used alone or in combination with other Chemicals to produce the final drug. Some medicinal plants are used as raw materials for the production of herbal medicines. In this method, the active compounds of plants are standardized and are offered in the form of tablets, capsules, extracts and herbal pills available in the market. In the sweating method, some medicinal plants are used to extract their active compounds using dissolved solutions in water and alcohol. These solutions, known as extracts, can be used raw or as raw materials for the production of drugs.

Medicinal plants are also used with extraction to extract their active compounds in the form of high concentrations in molten solutions. After extraction, the solution can be partially distilled to obtain a higher concentration. These extracts may be available in liquid, powdered or dried form and are used to produce pharmaceuticals and dietary supplements. Some medicinal plants are available dried and packaged. These herbs may be available as shaved or whole. They are commonly used to prepare herbal teas, dry extracts, various compounds and also for use in other compounds.

In modern medicine, there are other ways to use herbs, including the use of aromatic oils, herbs in Food preparation, the use of herbs in topical sprays and creams, the use of herbs in massage and natural therapies, and The use of medicinal plants in cosmetic products. The use of medicinal plants in modern medicine is still the subject of scientific research and studies. More research is being done to investigate the therapeutic properties and side effects of medicinal plants on human diseases and health in more detail. Also, interactions between medicinal plants and chemical drugs are also investigated to determine the possibility of drug interactions between medicinal plants and other drugs.