Skin, as the largest organ of the human body, is exposed to the outside, which is the first line of defense for us to resist the invasion of harmful substances from the outside world. Therefore, it is often the first to suffer and need diagnosis and treatment. However, many people are still confused and have many doubts even after going to a doctor and returning home with the external medicine prescribed by the doctor. How about a little potion and a little ointment? Mr. Wang, a citizen, had eczema and went to the hospital for medical treatment. For the first time, the doctor prescribed a bottle of liquid medicine and instructed him to return to the hospital in a week. Read More …