In addition, traditional Chinese medicine can also improve coagulation function and myocardial injury, although there is no study related to its application in the recovery period of COVID-19, Yan et al. found that Chinese herbal medicine (Gualou Xiebai Decoction) significantly protected the myocardium from I/R injury, and reduced CK, CK-MB, LDH, cTnI, cTnT and IL-6 levels, improved cardiac function, and reduced myocardial injury in hyperlipidemic rats (Yan et al., 2018). Here, IL6 is linked to COVID-19.