Facial triangle acne can not be squeezed at will, here the veins are richer, and there is no venous valve, easy to cause injury or infection, easy to form thrombosis in the anterior vein, affecting the normal venous blood return, and can reverse flow to the superior ophthalmic vein, through the supraorbital and to the cranial pterygoid saddle on both sides of the cavernous sinus, the facial inflammation spread to the cranium, resulting in septic thrombophlebitis, meningitis, brain abscess and other serious complications. Usually the facial triangle is the triangular area formed by the line from the corners of the mouth to the root of the nose on both sides, also known as the facial danger triangle. Once the complications occur by squeezing, the eyelid edema, conjunctival bruising, protrusion of the eyeball, limited abduction, ptosis and even visual impairment can occur. In severe cases, sepsis and toxemia may even occur, endangering lives. Facial acne here needs to be taken seriously. Usually, the treatment means is based on general treatment. If the acne is not obvious, you only need to adhere to a healthy diet and clean skin. If it affects daily life, it can be treated with topical retinoids, erythromycin, and peroxynivalenol under the guidance of a doctor, and internal antibiotics, isotretinoin, and hormonal drugs. If pain and skin lesions occur, or if the swelling and pain expand and fever and headache appear, it is recommended to go to the hospital for further treatment as soon as possible.