The following are the clinical possibilities of red dots on the tip of the nose. 1. mosquito bites, resulting in red dots on the tip of the nose, with painful pressure and local itching. 2. some patients have early manifestations of rosacea, mainly manifesting as dilated capillaries on the tip of the nose, manifesting as red dots, in which case patients are advised to keep the nose clean and hygienic, avoiding mite infection, and are advised to consult a dermatologist for topical treatment of the tip of the nose under the guidance of a doctor. 3. It is recommended that patients usually eat a light diet, do not eat greasy, often wash the nose with water, keep the nose hair follicles open, to avoid blockage of the hair follicles, it is recommended that patients try to avoid fire, stay up late, etc.