Xinyi has the effect of dispersing wind-cold and clearing the nose. Clinically, it has the effect of treating wind-cold headache, nasal congestion and nasal congestion and nasal abyss (mainly manifested as filthy nasal discharge, the amount of which can not be wiped clean) and other diseases. Xinyi is non-toxic, generally no side effects, but there have been clinical reports of allergies caused by internal use of Xinyi decoction, mainly manifested as dizziness, panic, chest tightness, nausea, generalized itching. The Compendium of Materia Medica” recorded that the lungs open the orifice in the nose, and yangming stomach veins around the nose and upward, the brain for the House of God, the nose for the life of the orifice, and the nature of Xinyi pungent and warm, can go to the gas into the lungs, can help the stomach in the Qingyang upward through the sky, so it can be warmed up to the treatment of head, face, eyes, nose of the disease. Clinical application of Xinyi need to pay attention to, yin deficiency fire (Yin essence deficiency in the body, the emergence of excessive fire), Qi deficiency and toothache is the stomach fire should not be served. And the dosage should be taken in accordance with the doctor’s instructions, do not use on their own.