Black moss is mostly developed from gray moss or burnt yellow moss, excluding the reason of eating a lot of black food in a short period of time, most of the patients appear after the disease lasts for a certain period of time and develops to a considerable extent, the reason lies in the prevalence of yin and cold inside or internal heat (the body heat evil is serious).
According to Chinese medicine, tongue coating is a manifestation of disease reflected on the tongue, and is one of the important bases for diagnosing disease conditions. If it is not the food or medicine that stains the tongue, then the change of tongue coating from normal to black is proof that there is a disease in the body, which should be treated in time at the hospital.
In addition, whether the black moss should be judged by a physician, not to take medication on their own, not negligence, so as not to delay the condition.