According to the doctor's network, after taking Sini decoction, some people will have the phenomenon of thickened tongue coating, which is caused by individual differences, but we should also pay attention to whether there are aggravations or other complications. Sini decoction is a kind of warm medicine that warms meridians, dispels cold, nourishes blood and smoothes pulse, and is mainly used to treat various diseases caused by blood deficiency and cold coagulation, such as thromboangiitis obliterans, pulseless, Raynaud's disease, polio and so on.

Sini decoction is the first choice for restoring yang to relieve exterior syndrome, warming middle warmer and dispelling cold. It is composed of aconite root, dried ginger, fried licorice root, etc. It can warm the middle warmer, dispel cold, restore yang and relieve exterior syndrome.