Acupressure is a kind of external treatment method in Chinese medicine. Like acupuncture, it is a method of treatment under the guidance of Chinese medical theory, especially the doctrine of meridians, by giving external drug stimulation to human acupuncture points. It is a unique combination of acupuncture and medicine, and belongs to the category of acupuncture in terms of its application area and treatment principle. Not all Chinese medicine prescriptions can be used externally. Most of the drugs available for external application have the following characteristics. 1, go to open the orifices, pass through the meridians: choose some drugs containing volatile oil and strong irritation, such as ice chips, musk, clove, mint, pine, white mustard seed, ginger, onion, garlic, soapberry, piercing, etc. 2, thick taste force fierce, toxic products: choose raw nanxing, raw semen, aconite, glycyrrhiza, croton, spotted cucumber, arsenic, light powder, etc. 3.Choose appropriate solvent to blend the dressing medicine to achieve the purpose of fast absorption. For example, wine blending dressing has the effect of promoting qi, promoting circulation, reducing swelling and relieving pain, and vinegar blending dressing can detoxify and resolve blood stasis. Drug dosage form 1, clay agent: this dosage form is mostly used for a single drug, is the fresh raw medicine pounded like clay, directly applied to the acupuncture points. 2.Dispersant: the drug is finely ground and applied to the acupuncture point. 3.Paste: the powder is made into a paste with ginger juice, white wine, rice vinegar, egg white, white water, etc., and applied to the acupuncture point. 4.Pill: It is to make small pills by mixing the medicine powder with water or milk, etc., and fix the pills on the acupuncture points with common ointment or adhesive tape. 5.Ointment: It is a solid, semi-solid or semi-fluid product at room temperature. Precautions 1, pay attention to whether the patient has an allergic reaction to the drugs used, if allergies are found, the patching should be stopped immediately and desensitization treatment should be carried out if necessary. 2. Apply warm water or alcohol to wipe the skin locally before applying the medicine, so that the medicine can be easily absorbed. In summer, dry the sweat and fix the ointment so that the drug will not move or fall off. 3, the drugs used should not be stored for too long to avoid failure. To adjust the boiling drug, each time not to modulate too much, with how much adjustment, now use now adjust. 4, the face should not be applied, especially irritating, toxic drugs should not be used.