Ten Drops of Water has the effect of strengthening the stomach and dispelling heatstroke, and is used for dizziness, nausea, abdominal pain and gastrointestinal discomfort caused by heatstroke. Ten Drops of Water is a kind of common Chinese patent medicine in clinic, and its main ingredients are camphor, dry ginger, rhubarb, cumin, cinnamon, cayenne pepper and eucalyptus oil. It is used for the treatment of summer-heat illness caused by summer-dampness in summer and fall, with symptoms such as dizziness, heaviness of the head, nausea, distension and pain in the epigastrium (abdomen), gastrointestinal discomfort or diarrhea, body heat without elevation (the whole body feels hot, but the touch of the skin is not very hot), white and greasy tongue coating, and a slow and moist pulse. Ten drops of water can be used correctly under the guidance of a professional Chinese medicine practitioner’s diagnosis, its adverse effects are not clear, pregnant women need to refrain from taking this drug; drivers, people working at heights should be cautious.