Knee effusion is not a candidate for acupressure treatment. Tui na therapy is a very common treatment option in daily life, mainly for pain caused by muscle spasms in the lower back, neck and other limbs, or pain caused by contractures of fascia, tendons and aseptic inflammation, but not for knee effusion. Knee effusion is mainly caused by various physical, biological, chemical and other undesirable factors stimulating the knee joint, and Tui Na treatment does not treat these injuries. On the contrary, acupressure treatment may make knee effusion more serious, so acupressure treatment should not be done when suffering from knee effusion.