The sores on the mouth and tongue from a cold are usually seen in wind and fever colds and viral infections, and are related to the accumulation of heat and toxicity in the body. This condition can be treated by taking antipyretic and antiviral drugs. It is recommended to take compound jinyinhua granules, silver forsythia antitoxin tablets, with virazole oral solution, together with ribavirin aerosol to carry out treatment. You can also take oral tablets of cetiol or watermelon cream to promote wound healing. Rinse the mouth with chlorhexidine gargle repeatedly to keep the mouth clean and hygienic. You should also take Shuanghuanglian Oral Liquid to treat cold symptoms. Drink more warm water and do not eat spicy, beef and mutton and fried food to avoid fire. Eat more spinach, pears, tomatoes, cucumbers, apples and other vegetables and fruits, which can help replenish vitamins and also clear heat and lower fire. You can also drink more chrysanthemum tea and fat sea tea water, also very good help.