Breast tingling with lumps and pressing pain may be caused by breast hyperplasia, mastitis and breast cancer. 1. Breast Hyperplasia: Commonly found in middle-aged women, breast swelling and pain is obvious before menstruation, and at the same time, a lump can be touched, or gently touching the lump, are painful. 2. Mastitis: mostly occurs during lactation, mainly due to milk stagnation and bacterial infection factors. The patient will also experience breast stinging pain with a lump that is painful to press. 3. Breast cancer: patients will have painless lumps in the early stage. When breast cancer patients have the symptom of tingling breast with lump pressure pain, it generally suggests that the disease has progressed and should be taken seriously. In addition to the above reasons, breast fibroid, breast trauma, cardiothoracic diseases, herpes zoster may also cause pain. Patients with symptoms of tingling breasts with lumps and pain when pressed should pay close attention to the cause, which should be clarified as soon as possible and then treated.