(1) “Powder” is a Chinese medical term for sebaceous cysts, because the secretion inside the cystic inclusions is sebaceous or bean curd-like, so it is named for this characteristic. (2) The main reason for the formation of sebaceous cysts is that the sebaceous gland drainage ducts are blocked and the sebaceous gland cystic epithelium is swollen by the gradually increasing contents, and the cyst is filled with white curd-like sebaceous secretions. When sebaceous cysts are secondary to infection, they may show local skin redness and swelling, softening, increased skin temperature, pain, and pus. (3) Acne is usually found in areas with high sebum secretion, such as the scalp, face, and chest and back, and is usually associated with bacteria or dust blocking the pores. The surface is smooth and varies in size. If there is a sunken blue-black hole in the center, it is often possible to squeeze out a sebaceous substance, which can be accompanied by a putrid smell. Of course, there is a disease called multiple sebaceous cysts, most cases of which are autosomal dominant and occur on the scalp, face and other areas with developed sebaceous glands. This patient should be actively treated. 2.How to prevent and treat (1) Since the formation of acne is mostly related to the blockage of sebaceous glands, it is important to keep clean, bathe often, and get a good night’s sleep. Recent studies have shown that staying up late or not getting enough sleep accelerates sebum secretion and makes it easier for sebaceous gland blockage to occur. In case of multiple sebaceous cysts, endocrine and metabolic tests should be performed. When itchy skin occurs, you should not scratch with your hands to avoid blocking the pores. (2) Treatment is generally divided into sites and sizes. Most of them choose surgical excision, but the progressive inflammatory stage should be treated after active anti-inflammatory treatment, and surgical excision should be completed to prevent recurrence. Of course, for facial powdery tumors, besides choosing surgical minimally invasive incision, CO2 laser and ionization minimally invasive methods are also better choice methods. It is worth mentioning that the boils in the facial triangle should not be squeezed. (3) According to Chinese medicine, sebaceous cysts are mostly caused by the dysfunction of internal organs, resulting in the accumulation of damp heat and phlegm in the skin. The treatment should be to clear heat and phlegm, disperse knots and swellings, remove blood stasis and relieve pain. There is a therapeutic recipe for treatment: red beans 80g barley 50g rice 100g hawthorn 5 boiled soup to take food porridge. You can try it out if you have time. Pink tumor is not a tumor, keeping clean, good sleep and lifestyle habits are key, but if you have problems such as diabetes or low immunity, pink tumor should be handled carefully and actively to prevent serious infections.