The statement “three kinds of people should not take Er Chen Pills” is not reasonable. The contraindications of Er Chen Pills are that it is not suitable for those who do not have the indications of the drug; and it is not suitable for those who are allergic to the constituents of this drug. Er Chen Pills have the effect of drying dampness and resolving phlegm (removing phlegm from the body by drying dampness), regulating qi and harmonizing the stomach. Er Chen Wan is a traditional Chinese medicine composed of Chen Pi, Pinellia, Poria, Licorice and Ginger, which can treat cough caused by stagnation of phlegm and dampness, with symptoms such as cough with excessive phlegm, white color and easy to swallow, chest and epigastric tightness, nausea and vomiting, drowsiness of limbs, dizziness and palpitation (rapid heartbeat, often accompanied by panic), white or greasy tongue coating and slow pulse. The use of Er Chen Pills is prohibited for those who are allergic to any of the ingredients in Er Chen Pills, and should not be taken by those who do not have the indications for this drug. During the consumption of Er Chen Pills, a light diet should be the main focus, should not eat spicy, cold, greasy food. If the symptoms are not relieved after 1 week of taking Er Chen Pills, you should go to the hospital in time. When you need to take Er Chen Pills, it is recommended to take it under the guidance of a doctor and follow the doctor’s instructions, and not to use it on your own to avoid adverse reactions.