A hard bag on the forehead hurts more when pressed, it may be a pink tumor or lymphoma, or it may be a frontal bone growth or deformity. It is recommended to go to the hospital for examination, if it is a pink tumor or lymphoma, it can be removed surgically; if it is a frontal bone growth, you need to consult a professional orthopedic surgeon to see if it needs to be treated surgically. Do not press or squeeze the hard pack for a long time to avoid inflammation and infection. If it is already infected, you need to apply antibiotic cream locally or take oral antibiotics together.