Sore is a broader concept, sores on the head generally refers to the western medical folliculitis, cellulitis, boils and other diseases, the causes of different diseases are different. 1. Folliculitis: When the patient’s skin is damaged or the hair follicles are irritated by hair and other stimuli, the skin barrier is damaged, which can easily lead to infection by bacterial pathogens such as Staphylococcus aureus and may cause the occurrence of follicular inflammatory lesions. In addition, excessive sweating, poor personal hygiene, low immunity and other factors may also increase the risk of morbidity. 2. Cellulitis: Cellulitis is mostly caused by infection of loose connective tissue under the skin and mucous membranes by germs after injury, and it may also occur by direct spread of localized purulent infection or by lymphatic or blood transmission. 3. Boils: Boils are mostly caused by single or mixed infections of Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus, Escherichia coli and other pathogens. In addition, lack of attention to personal hygiene, being in a high temperature environment or sweating a lot, and scratches or abrasions on the skin may increase the risk of the disease. It is recommended that patients seek medical examination in time to clarify the cause of the disease for targeted treatment, pay attention to personal hygiene in life, keep the lesion area clean, pay attention to the protection, avoid secondary damage and so on.