Miasma refers to miasmatic malaria, and in a broader sense miasma can also refer to all gases that are harmful to the human body. Miasmatic malaria is one of the endemic malaria. Mostly due to the feeling of the mountain orchid plague poisonous gas, damp and heat Yu steam (damp and hot evil vaporization of the body viscera) caused. There are cold miasma, hot miasma, mute miasma. Miasma malaria manifests as headache, fever, waist weight, foot weakness, or cold, or vomiting, or leakage, or constipation, or urine red, face red, red eyes, thirst, heartburn, chest heat, tongue or black, delirium (gibberish), want to drink, want to sit in the water, or vomit blood and so on. Broadly speaking, miasma can also refer to all gases that are harmful to the human body, including mountain forests, swamps, poisonous gases, etc. The plateau reaction on the plateau can also be called “smoke and miasma”. For professional medical advice, it is advisable to consult a doctor.