If there are many occlusions on the forehead, it means that the patient may have acne on the forehead area, especially the formation of acne vulgaris, which is manifested as closed acne. Generally, you can topically apply salicylic acid products or retinoic acid products, which can play a certain role in softening the local skin keratin, and can also achieve the effect of removing the contents of the occlusions. Patients can generally choose salicylic acid ointment, adapalene gel, retinoic acid cream, etc. for topical treatment, and can also take some oral medications, such as Angelica Bitter Ginseng Pills and Tanshinone Capsules, all of which have a certain role in controlling seborrhea and controlling the production of closed mouth.