The reason for this is because of the following reasons: 1. Poor personal diet, excessive consumption of spicy, stimulating food, resulting in increased oil content, constantly deposited in the body, resulting in the human body on fire, easy to grow acne. 2. Life stress, mental stress is likely to lead to a variety of endocrine hormone content in the human body is out of proportion, easily leading to endocrine disorders, the body surface water-oil imbalance, oil deposition, resulting in acne. 3.