Thyroid nodules in traditional Chinese medicine called gall disease, cat’s claw herb can dissipate the knot, swelling, need to be paired with other drugs to treat thyroid nodules. Cat’s claw grass for the buttercup plant small buttercup dry tuberous root. Taste sweet, pungent, warm. Attributed to the liver, lung meridian. It has the efficacy of resolving phlegm and dispersing knots, detoxifying and subduing swelling. Used for scrofula (mainly refers to the neck lymph nodes tuberculosis) phlegm nucleus (subcutaneous swelling such as the nucleus of the nodule), furuncle (mostly occurs in the limbs or facial sores, the shape of the small root base of the deep, such as nails as hard), swelling and poison, snake bites. Cat’s claw herb with Xia Gu Cao cold and warm and play the phlegm dispersing knot swelling. It is suitable for the scrofula and phlegm nuclei of phlegm-fire depression; cat’s claw herb with silkworm can enhance the function of resolving phlegm and dispersing the knot. It is suitable for scrofula and phlegm nuclei with phlegm-fire stagnation. It is recommended that patients be treated with medication under the guidance of a doctor.