Tips for going down stairs without hurting your knees include reducing shock and relieving the impact on your knee joints with the help of auxiliary forces. 1. Reduce the shock: When you go down the stairs, it is best to wear thick-soled soft flat shoes to reduce the shock of the limbs. Downstairs activities can easily cause the cartilage and surrounding ligaments inside the joint. Try to land on the whole foot to distribute the weight. 2. With the help of auxiliary force: when going down the stairs slowly, with the help of the handrail of the stairs, the upper limb pulling to disperse the power of the lower limbs. In order to avoid overstressing the joint capsule, ligaments and cartilage around the joints after going too fast. The above methods are for reference only, specific need to consult the clinician, so as to avoid bad downstairs action aggravate the damage to the knee joint.