Cang Er Zi oil has the effect of dispersing wind-cold, nasal orifice, dispel wind-dampness, relieve pain; the role of the treatment of wind-cold cold, headache and nasal congestion, nasal abyss (mainly manifested as nasal mucus obscene, the amount of wiping unclean), congested nose, nasal congestion, nasal congestion, itchy rashes, dampness paralysis, such as contracture. Cang Er Zi is pungent, warm and diffusive, can disperse wind-cold, and also can pass the nasal orifice, pain, with the treatment of exogenous wind-cold; Cang Er Zi is mild and sparing, taste pungent dispersal of wind, bitter dry dampness and turbidity, and is good at passing the nasal orifice in order to remove the nasal blockage, and to stop the forehead and the nasal distension and pain, with the treatment of congested nose, nasal abyss, and other rhinological diseases. In addition, Cang Er Zi can also dispel wind and stop itching (by removing the wind evil that violates the surface of the muscle to stop itching), the treatment of rubella itching; can dispel wind and remove dampness, through the pain, with the treatment of rheumatism and paralysis, pain in the joints, limb contracture and other diseases. This product has a small poison, and should not be taken internally in excess, nor should it be taken continuously. This product disperses qi and consumes blood, and should be used with caution by those who are physically weak. After the discomfort should be timely consult a doctor, under the guidance of the physician’s diagnosis and selection of medication, not self-medication, so as not to delay the condition.