It's cold and my nose itches.

Itching of nose and head is common in the following two reasons: First, it is mostly caused by improper diet, accumulation of heat in lung and stomach, upward steaming, re-infection of wind and evil, and stagnation of nose due to evil heat. Second, it may be the precursor of rosacea (rosacea), commonly known as red nose or red nose, which is a chronic inflammatory skin disease that occurs on the face.

1. At present, rosacea is mainly related to demodex infection. In addition, a recent study by the National Acne Society shows that the main inducing factors of rosacea include: sun exposure, emotional tension, hot weather, wind blowing, physical exercise, alcohol, hot bath, cold weather, spicy food, humidity, indoor sultry, skin care products and hot drinks.

2. How to get rid of lung and stomach heat and prevent rosacea: You should quit smoking and drinking, eat less spicy food and eat more fruits and vegetables (you can also take vitamin B6 and vitamin B12); Appropriate amount); Develop good habits of living and rest, keep the stool unobstructed, keep a happy mood, avoid emotional excitement, and avoid local skin irritation and sun exposure.