There is no such thing as 5 major symptoms when the heart is on fire, but the patient will mostly have symptoms such as mouth and tongue sores, irritability and insomnia, and dry mouth and thirst. Heart fire is mostly due to emotional depression, for a long time, or the six elements of internal depression and fire, or over-eating spicy food, tobacco, alcohol, for a long time, and then the heat and fire caused. Heart fire, fire and heat disturb the heart, the heart and mind disturbed, so see upset, insomnia; tongue for the heart of the seedling, heart fire blazing, inflammation on the tongue, so the tongue erosion and pain and mouth sores; fire and heat injuries to the thirst, urine red burning, even astringent pain; heat and evil blazing, the blood line accelerated, so the face is red, red tongue, pulse, etc.. Symptoms of heart fire is recommended to go to the hospital in a timely manner, under the guidance of a professional physician as early as possible to standardize the treatment, rational use of medication.