When you have internal heat, you must pay attention to your normal diet and eat more white foods, such as white fungus, yam, radish, pear... Nourishing yin and moisturizing, there are some methods for the internal heat. 1. Go Buy some mugwort leaves from the drugstore, soak your feet, and soak for 3-5 days in a row. It will purge your fire. 2. Be sure to drink more water and eat less spicy food. 3. If you have real fire, you can go to the drugstore to buy it. Coptis supernatant tablets can quickly clear away fire 4. Use cassia seeds to make tea and drink, or use honeysuckle to make tea to drink. It is cooling and detoxifying and can remove fire 5. For ulcers, I use Heimei’s mouthwash, which is very comfortable because it contains mint. Try it, it’s very useful