The main ingredient of rosemary tea is rosemary, which is known for its effects of sweating, strengthening the spleen and stomach (restoring the function of the spleen and stomach), and tranquilizing the mind, etc. It is also used to make tea with some of the above effects. Rosemary is the whole herb of rosemary in the family of Labiatae, as a kind of traditional Chinese medicine, it can be used as a substitute for tea. Rosemary tea is pungent in flavor and warm in nature, clinically it mainly has the effects of sweating, invigorating the spleen and stomach, tranquilizing the mind and regulating qi and relieving pain (relieving pain by unblocking the qi), etc. It mainly has the effects of treating all kinds of headaches and preventing early hair loss. Rosemary tea has a pleasant aroma, the contraindications and adverse effects of taking rosemary are not clear. Rosemary tea is recommended under the guidance of a professional herbalist if used in the treatment of disease.