Red, swollen and hard pimples are usually symptoms associated with inflammation of the pimples leading to inflammation of the surrounding tissue as well as the subcutaneous tissue, i.e. inflammation of the sebaceous glands. In this case, do not squeeze it with your hands. If it does not relieve itself, it is best to go to the hospital for treatment. Acne is a chronic inflammatory disease of the sebaceous glands of hair follicles, characterized by acne, papules and pustules, often accompanied by seborrhea, and usually occurs in areas rich in sebaceous glands, commonly on the face. In daily life, acne is more common and can be caused by a variety of factors, mainly physiological factors, such as long-term late night, stress, facing electronic products for too long, eating too much greasy, spicy, irritating food, daily cleanliness and hygiene is not in place, sweating too much without timely washing, or using strong alkaline soap to wash the face, often touching the skin with their hands, etc. And after the appearance of acne, continue the above unreasonable life, it is easy to cause acne inflammation appear red, swollen, hard lumps. The actual fact is that you can get a lot of the same things that you need to do in order to get a lot of the same things. If inflammatory skin damage is caused by the appearance of acne, it can lead to redness, swelling and hardness. If the symptoms are mild, they can usually heal on their own. The actual fact is that you will be able to get a lot more than just a few of the most popular and most popular items. Pay attention to regular living habits, do not stay up late, and increase exercise to promote metabolism. Pay attention to personal hygiene, avoid cross-infection, etc. Topical medications can be used, such as vitamin A acid cream, peroxymethylphenidate, antibiotics, azelaic acid, etc. Systemic medications include antibiotics, isotretinoin, anti-androgen drugs, glucocorticoids, etc., and can be supplemented with phototherapy when conditions allow.