During breastfeeding, knee pain on stairs can be relieved by calcium supplementation and oral analgesic and anti-inflammatory drugs, and it is recommended to consult an orthopedic surgeon for treatment in a timely manner. After giving birth, women’s bodies lose more calcium, calcium deficiency can cause joint pain, the symptoms of knee pain on the stairs, can be under the guidance of the doctor to supplement calcium treatment, such as calcium carbonate D3 tablets. If the knee pain is caused by osteoarthritis of the knee joint, first of all, you need to change your lifestyle habits, avoid weight bearing on the knee joint, and when in pain, you can use non-steroidal anti-inflammatory drugs under the guidance of a doctor, such as diclofenac sodium extended-release tablets, and during the period of time you can pause breastfeeding, to prevent the baby from having an impact. It is recommended to increase the nutrition during breastfeeding, eat more food with high calcium content, and go to the hospital in time to check the knee pain, under the guidance of the doctor’s treatment.