When mumps is painful, hot compresses, physical therapy and external compresses can be used, of which external compresses are the most common, and can generally be applied to the swollen and painful area after the cactus is crushed. The cactus is peeled and washed, crushed and applied to the affected area with gauze to reduce the pain. There are also some Chinese herbs such as Ruyi Jinhuang San, which can also reduce the pain. You can also use sodium bicarbonate solution, or mouthwash such as Koutai, which also helps to relieve the symptoms. Avoid eating acidic foods and hard foods to avoid aggravating the pain. Rinse your mouth after each meal to keep it clean, and eat a light, easy-to-digest diet.