Fingers hurt when touched after being pierced by glass, there may be a foreign body remaining in the skin, or the pierced part of the internal pus or infection, when this situation occurs, you can go to the hospital for examination, to find out the cause of the disease and then carry out the relevant treatment. 1. If you are pierced by glass and it hurts when you touch it after healing, you can observe whether there is glass residue left in the skin, if it is glass residue left in the skin, the doctor will take out the foreign body through professional instruments. If there is glass residue in the skin, the doctor will remove the foreign body through professional instruments. 2. If the pain is caused by pus or infection, you need to cut and drain in time to treat the painful parts, and at the same time, you can take anti-infective drugs such as amoxicillin, cefixime and so on. After treatment, pay attention to local hygiene, eat more nutritious food to speed up the wound healing.