Tongue acupuncture therapy is an external treatment method of "micro acupuncture system" based on the theory of Zang Fu meridians and holographic theory. It acts on the tongue and can be used for the treatment of swallowing disorder after stroke. It has the advantages of improving tongue and pharyngeal function, high safety, simplicity and quickness. It is often used in combination with rehabilitation training, Traditional Chinese Medicine therapy or other acupuncture methods in clinic, and has achieved good curative effects.