There is no such thing as how much dosage of cat’s claw herb in water, cat’s claw herb belongs to traditional Chinese medicine, the correct usage is to decoct the soup rather than make water to drink, cat’s claw herb decoction and drink the dosage of adults is 9g~15g per day, but the specific dosage should be under the guidance of a doctor. Cat’s claw herb is a kind of Chinese medicine, sweet, pungent, warm, attributed to the liver, lung meridian. It is effective in resolving phlegm and dispersing lumps, in addition to detoxifying and reducing swelling. The main treatment for scrofula (mainly refers to the neck lymph nodes tuberculosis) phlegm nucleus (subcutaneous swelling such as the nucleus of the tuberculosis), sores, carbuncles and swollen poisons, snake and insect bites, and so on. Adverse effects of Cat’s Claw is not clear. Contraindications are not clear. Precautions are unclear. It may be difficult to achieve the therapeutic purpose of drinking Chinese herbal medicine in water, and it usually needs to be reasonably prepared and correctly boiled in order to realize the therapeutic effect. This drug should be taken under the supervision of a doctor.