KPLASS Cough Relief Patch is to be pasted on 3 different acupoints. 1. Tiantu Acupoint (in between the collar bones): Relieves cough and phlegm. It helps to clear the throat and dissolve phlegm, hence improving our lungs. 2. Danzhong Acupoint (center of the chest, in between the nipples): Aids in the strengthening of immunity. 3. Dazhui Acupoint (top first center bone of the spine): Releases the coldness from our bodies.