After the ligament strain can be plastered, but it is best to spend the acute phase, because in the acute phase of the ligament injury there will be local blood vessel rupture, bleeding, so after the plaster is applied to activate blood stasis, dilation of blood vessels will easily lead to an increase in local bleeding, may lead to injury location swelling, pain more obvious. In the acute stage, it is best to apply cold compresses, which can constrict blood vessels and reduce bleeding. In addition is to carry out adequate external fixation, the injury location of the brake, so as to avoid the ligaments are stretched leading to aggravation of the injury, and after fixation ligament alignment is better can also help the recovery of the ligaments, after the acute period, generally 72 hours later can be local plaster, such as simple type plaster, such as wound pain Shu, blood pain relief cream, can also be applied to the magnetic therapy paste type of plaster It can also accelerate the local metabolism, increase the local temperature, dilate blood vessels, help the metabolism and absorption of metabolic products, can promote the recovery of ligament injury.