Hard bumps on the face that are red, swollen and itchy may be related to boils, acne, folliculitis and other causes. 1. Boils: Due to the invasion of pathogenic bacteria such as Staphylococcus aureus into individual hair follicles on the face, it can lead to localized acute purulent reaction, which is manifested as red, swollen, hot and painful hard bumps. 2. Acne: The infection of the skin on the face is caused by the propagation of Propionibacterium acnes, etc. Larger infections may spread deeper into the skin and form harder lumps, which may be accompanied by itching. 3. Folliculitis: Inflammatory reaction caused by bacterial infection of individual hair follicles on the face, which may appear as red pimples accompanied by redness, swelling and itching. It is recommended that the face long hard bumps red swelling and itching persistent unrelieved people go to the hospital in a timely manner, to clarify the cause of the disease, under the guidance of the doctor for standardized treatment.