The back tendons are torn, that is, the back tendons are strained, then the following treatment should be carried out: first, early rest and back braking, so as to prevent further aggravation of the injury to the tendons, and at the same time can play a role in early pain relief. Second, early cold compresses can be applied with frozen mineral water or ice wrapped in a towel, and early spraying with Yunnan Baiyao spray, which can effectively provide early pain relief, reduce swelling, and stop bleeding. You can also use medications to treat the pain, such as meloxicam, celecoxib, and aminoglutethimide tablets, and after the acute period, you can take drugs to promote blood circulation and reduce swelling, such as Pan Long Qi tablets and Da Qi Li capsules, which are beneficial to the recovery of the injury. Thirdly, you can use topical medication, you can use Furtalin ointment in the early stage, and you can use Tongluo pain relief cream to apply after the acute stage, which also has a good therapeutic effect.