Patients with synovitis should adhere to the principle of reasonable diet and balanced nutrition. Special attention should be paid to: eat less foods with high animal fat and cholesterol content to avoid causing and aggravating joint pain, swelling, decalcification, osteoporosis and joint destruction. Eat less milk to avoid the aggravation, recurrence or deterioration of arthritis caused by allergies. In addition, you should eat less sweets and drink less alcohol, coffee and other drinks. Eat more foods rich in histidine, arginine, nucleic acid and collagen, such as animal blood, eggs, fish, shrimp, bean products, potatoes, beef, chicken and so on.