The generic name of Bupivacaine Collodion is Bupivacaine Hydrochloride Collodion, which acts as local lubricating anesthesia. Bupivacaine hydrochloride colloid can act on peripheral nerves, stabilize the cell membrane of nerve tissues, so that polarization and depolarization are alternately blocked, inhibit the transmission of nerve impulses, and play the roles of anesthesia and analgesia, and the drug can also increase the viscosity of the solution and play the role of lubrication, which is mostly used in the clinic for local lubrication anesthesia during intubation and microscopy or surgery of urethra, esophagus, vagina, and rectum. It should be noted that the use of bupivacaine hydrochloride colloid is prohibited for those who are allergic to any component of the drug, hyperallergic, exposed blood vessels, or ruptured cavities, and the drug is not suitable for patients who need to do bacterial culture, and some patients may have allergic reactions after using the drug, and they should consult a doctor in a timely manner. Bupivacaine hydrochloride colloid should be used by professional doctors, patients should not use the drug blindly, so as not to induce adverse reactions.