Men’s itchy hair follicle roots may be caused by folliculitis, pubic lice, scrotal dermatitis and other diseases. 1. Folliculitis: a purulent skin disease that occurs in and around hair follicles, common clinical manifestations of red papules around the hair follicles, sometimes pus, itching, pain and other symptoms. 2. Pubic lice: it is a skin contact infectious parasitic disease caused by lice parasitized on human pubic hair and body hair around the anus biting the nearby skin and causing itching and bleeding spots, the disease is characterized by three: itching, red rash, green petechiae. 3. Scrotal dermatitis: scrotal skin allergic inflammation, the etiology is complex and varied, may be related to allergies, genetics, immunity, infection, drugs, insect bites, physical factors, etc., the patient may appear erythematous papules with itching, burning, pain and other discomforts. Men’s hair follicle root itch may also have other causes such as scabies, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, to give targeted treatment or treatment, under the guidance of the doctor for treatment.