The invention discloses a watermelon flavor pure-natural traditional Chinese medicine shampoo. The watermelon flavor pure-natural traditional Chinese medicine shampoo is prepared from the following components in parts by weight: 4-8 parts of phosphatide powder, 1-2 parts of lecithin oil, 3-10 parts of rosemary extract, 3-10 parts of thyme extract, 3-10 parts of lavender extract, 2-5 parts of uaicaceae extract, 3-5 parts of folium artemisiae argyi, 8-10 parts of artemisia vulgaris, 10-12 parts of Radix Polygoni Multiflori, 8-15 parts of Chinese honeylocust fruit, 5-10 parts of the fruit of Chinese wolfberry, 5-10 parts of aloe, 10-20 parts of lauric acid, 0.5-5 parts of hyaluronic acid, 0.05-0.2 part of methyl ester, 0.1-0.5 part of sodium ethylene diamine tetraaceticacid, 2-4 parts of bighead atractylodes rhizome, 0.2-0.4 part of hydroxymethyl cellulose, 7-10 parts of cocoalkanoylamido propyl betaine, 0.2-0.5 part of salvia officinalis extract, 2-5 parts of chamomile extract, 1-3 parts of marestail extract, 7-11 parts of watermelon element, and the balance of water. The watermelon flavor pure-natural traditional Chinese medicine shampoo disclosed by the invention has the advantages of being simple in process, moderate in detergency, easy to rinse, and free from stimulation on hair, a skin and eyes; the washed hair is bright, soft, high in resiliency, and good in dry and wet combability, especially, the user can feel cool, refreshing, and relax; and the shampoo has the itch relieving effect, is capable of preventing or inhibiting scurf from regenerating, refreshing and restoring consciousness, soothing the nerves and nourishing heart.