XinXi pain patch Ling such drugs about 130 yuan a box, a box of 12 patches, each patch can be used for 2-3 days, but in different places due to different pharmacies and medical institutions, the price may be slightly different. The main reason for this is the far infrared powder, pepper extract and ice chips, mint and other drugs that promote penetration, which can play the following roles when used externally: 1. 2, can play an obvious pain relief effect, such drugs have chili pepper related extract, after the application to the local, will have a significant relief effect on local pain caused by blockage of blood or old injury; 3, can play an anti-inflammatory, anti-swelling effect, such drugs in the application of local, through a series of related penetrating drugs After the application of these drugs, they will reach the deep part of the soft tissues through a series of related penetrating drugs, and then play the role of anti-inflammatory and anti-swelling to this area.