There are many reasons for knee pain, such as strain, trauma, rheumatism and inflammation.

2, the foot patch is a health care product, not a medicine, so you can't treat the disease directly, you can only recuperate.

3. The function of the foot patch is to regulate endocrine by stimulating the acupoints on the soles of the feet, which is similar to massaging the soles of the feet and has a certain effect on regulating endocrine and maintaining limbs.

4. It is recommended to seek medical treatment or medication, and use foot patch for conditioning to speed up the disappearance of symptoms.