Although mouth sores are not life-threatening diseases, they are painful and intense. However, when suffering from mouth sores, it is recommended to relieve them through medication and life care. 1. Medication: Commonly used medications include Yunnan Baiyao and Ulcer San, which can significantly relieve pain, stop bleeding, eliminate redness and swelling, and detoxify. It is usually recommended that Yunnan Baiyao be applied topically to the mouth sore two to three times a day to help reduce inflammation and promote wound healing, and the wound can be healed in two to three days. Vitamin tablets can also be used to treat mouth sores. You can take vitamin C orally in tablet form, or you can grind vitamin C into a powder and cover the surface of the mouth sore, which can effectively relieve pain and promote wound healing by reducing inflammation. 2, dietary care: It is recommended that patients with mouth sores do not eat some spicy and stimulating foods, such as coffee, wine, chili, etc.. A light diet is the main focus; drinking more water is good for the dissipation of inflammation, and water is the least irritating food for the mouth sore area. It is also recommended to rinse your mouth after meals and to brush your teeth in the morning and evening to maintain oral hygiene, which is beneficial to the healing of mouth sores. It is usually recommended that patients with mouth sores be relieved by both medication and dietary regimen.