The appearance of red, swollen and hard lumps on the face is commonly caused by a variety of diseases such as folliculitis, acne and lupus erythematosus. The patient can promptly seek medical attention to clarify the cause as soon as possible, under the guidance of the doctor to carry out the appropriate treatment. 1, folliculitis: follicular infection occurs purulent inflammation, often manifested as red follicular papules, hard texture, can be accompanied by pustules, itching, pain and other symptoms, commonly found on the scalp, neck, chest and back, buttocks and face. In mild cases, it can heal on its own, but in severe cases, medication is needed. You can choose ichthyolipid ointment and mupirocin ointment for treatment. 2. Acne: Acne is a chronic inflammatory skin disease of the sebaceous glands of the hair follicles, which occurs on the face and neck, chest and back, shoulders and upper arms. This disease is common in adolescence, but is not completely limited by age stage. Common treatment drugs include minocycline, doxycycline, isotretinoin, etc.; 3. Lupus erythematosus: Lupus erythematosus is a connective tissue disease that can occur on the face, typically manifesting as flat or slightly elevated erythematous, infiltrative plaques with scales attached to the surface, which may be hard to the touch, and patients need to take non-steroidal drugs as well as hormones for systematic treatment.