1, Chinese herbal medicine does not have cow tongue grass, but there are cow tongue grass and cow tongue, I do not know which one you want. 2, ox tongue grass alias goat's hoof, tooth fruit goat's hoof, goat's hoof rhubarb, soil rhubarb, ox tongue tree, wild beet, soil king root, ox tongue tree, ox ear rhubarb, for Polygonum cuspidatum toothed fruit acid mold of the leaf. Functions:Clearing heat and removing toxins; killing insects and relieving itching. Indications: canker sores; sores and swelling; scabies. Can be decocted and taken internally, can also be used externally pounded. 3, cow tongue synonym endive, wild endive, mountain endive, cow tongue piece, for the Asteraceae plant creeping bitter herb. Functions: clearing away heat and removing toxins. Indications: appendicitis, dysentery, hemorrhoids, seminal emission, leucorrhea, mastitis, sores and boils, soup and fire injuries. It can be decocted and taken internally, and it can also be used externally by pounding or applying the juice. 4, cow tongue grass and cow tongue pictures in the Baidu encyclopedia can be seen in the relevant entries, here will not be uploaded.