The efficacy and function of Lizheng Pain Relief Paste include the following aspects: 1. It has a good pain relieving effect. Most of these plasters are made of Chinese herbs boiled down. These Chinese medicines include components that relieve pain, activate blood circulation and remove blood stasis, which can play a role in relieving pain.2. It has an anti-inflammatory effect. This kind of anti-inflammation is for sterile inflammation, not the inflammation that causes bacterial infection.3, can play a role in activating blood circulation and removing blood stasis. Because most of these ointments contain proprietary Chinese medicines have the effect of activating blood circulation and removing blood stasis, which can promote local blood circulation, thus improving the local soft tissue conditions.4, has the effect of reducing swelling. Because it some drugs can accelerate the circulation, so that the vascular permeability is reduced, thus promoting reflux, and play the effect of swelling.