Children with colds and flu with yellow tongue coating and cracks can be caused by a variety of factors, such as dampness and heat injury, stomach fire upward. 1. Dampness and heat injury: children for the pure Yang’s body, heat in the body, dampness, dampness and heat YuJiuHuaFire, fire on the inflammation, damage to fluid, cold aggravation of the evil into the body, resulting in a yellow tongue with cracks. 2. Stomach fire: children have always eaten unclean or like fatty products, stomach heat and fire, stomach fire blazing, burning stomach flu; stomach loss and descending (the stomach’s function of descending obstacles), the stomach gas upward steaming Kaoru in the tongue, the formation of the tongue coating yellow and thick and cracks appear. If a child with a cold has a yellow tongue coating with cracks, he should go to the hospital in time and be treated by a TCM doctor to avoid delaying his condition.