Hello, yellow tongue coating: generally seen in the course of feverish diseases, indicating that the evil and the positive struggle is very intense, the disease has entered the interior, the evil has been transformed into heat. The yellow tongue is hot, if the tongue is yellow and dry, for solid heat, fluid injury, if the tongue is moist and yellow for damp heat. If the tongue coating is thin and yellow, it is wind-heat. Thick moss is solid evil, thin moss is light evil. Niu Huang Qing stomach pill (Tong Ren Tang) or clear fire gardenia wheat tablets usual light diet less spicy greasy drink more water appropriate physical exercise.