The correct use of cat’s eye herb is by the Chinese medicine practitioner to identify and treat the symptoms, appropriate amount of boiled ointment for external application; or powdered dressing; internal use of decoction soup or into the pill. Follow the doctor’s instructions to take medication. Cat’s Eye herb is bitter in taste and slightly cold in nature, it is a kind of traditional Chinese medicine that can relieve cough, dissolve phlegm and has the effect of diuretic, dispersing knots, in addition to extracting poison. It is useful for coughing and wheezing with phlegm (a pathological product of impaired water metabolism), swelling of the limbs, scrofula (mainly tuberculosis of the cervical lymph nodes), scabies, and also for treating anonymous swellings and poisons. Cat’s eye herb in the use of decoction soup or into the pill, but also can be boiled paste external or powdered dressing, should be used in accordance with medical advice. The adverse effects of cat’s eye herb are not clear, and the contraindications are not precise. It should be noted that cat’s eye herb is toxic, internal use should be cautious. If you need to use the drug, you should be guided by a traditional Chinese medicine practitioner, do not buy and use on your own to avoid delaying the condition. If you feel unwell, seek medical advice.