How is the knee feeling cold?

Only when your knees are cold can you be sure that you have arthritis. Generally speaking, calcium deficiency is common at your age. You need proper calcium supplementation. If arthritis is suspected, it is best to have a film examination, such as anti-O, ESR, C-reactive protein and rheumatoid factor examination. However, arthritis is not common. In addition, some western medicine examinations can be normal and can be treated according to TCM syndrome differentiation. There is often yang deficiency and cold.