Watermelon cream spray belongs to the Chinese medicine is yellow-green powder, is the treatment of mouth ulcers commonly used drugs, the efficacy of the exact medication for 3 days symptoms can be improved, watermelon cream is mainly composed of rhubarb, scutellaria, peppermint, cypress, Huanglian and other drugs, has a clear heat to fire, sterilization and anti-inflammatory, swelling and pain relief, but also for gingivitis, sore throat and other diseases. When there is a mouth ulcer can be sprayed watermelon cream on the affected area, you can spray several times a day 1 time 1-2 spray down, do not drink water within half an hour after spraying so as not to affect the effectiveness of the medicine, it is important to note that when spraying the medicine do not breathe, so as not to cause choking and coughing situation. If the ulcer does not improve in 3 days on time or the symptoms recur, you need to go to the hospital in a timely manner, you need to pay attention to a light diet during the drug treatment, because the composition of the herbs are mostly cold, poor gastrointestinal digestive function, pregnant women, lactating patients are prohibited to take.