Total oiliness in the triangle area may be caused by endocrine exuberance, sebaceous gland hypertrophy, and blockage of follicular pores, which can be relieved by cleansing the skin, adjusting the diet, and medication. 1. Cleaning the skin: the facial triangle is an area of rich blood supply, sebum secretion is strong, so there is always oil, you can use facial cleanser, towels, etc. for warm water daily, you can also use paper towels to adsorb the oil. 2. Adjust the diet: Diet greasy, stimulation may lead to endocrine exuberance, excessive secretion of oil in the triangle area, appearing always oily situation. It is recommended to adjust the diet, use light, easy to digest food, reduce the number of barbecue, hot pot and other greasy food consumption. 3. Medication: If excessive cleansing or incorrect use of cosmetics tends to block follicular pores, leading to sebaceous gland hypertrophy, so the deltoid area may always appear oily, you can apply topical retinoic acid cream, adapalene gel and other medications, it is recommended that you consult a doctor before using medications. If the above methods do not provide relief and the symptoms seriously affect your life, it is recommended that you seek medical attention.