Eating pork breasts may cause internal heat. Pork breasts are a kind of grilled food, and chemical ingredients such as spices and preservatives are added during the baking process. Excessive consumption will not only cause internal heat. It may also have an impact on your health, so you should pay attention to the amount you eat and try not to eat too much. In addition, internal heat may also be caused by excessive stress or drinking too little water. Generally, it can be adjusted by improving the diet. You can eat some foods with the effect of reducing internal heat such as coptis or celery.