Traditional Chinese Medicine (中医, zhōngyī) uses herbal remedies (中药, zhōngyào) that have been developed over thousands of years. Many Chinese pharmacies sell both Western medicine (西药) and traditional Chinese medicine side by side.
usage
Common medicine phrases: 吃药 (take medicine), 开药 (prescribe medicine), 买药 (buy medicine), 中药 (Chinese medicine), 西药 (Western medicine).