Tendon sheath cysts present as a smooth, rounded mass on the ankle. In clinical practice, it is common to encounter patients who present with abnormal masses that are palpated or touched by the physician. Some are normal abdominal structures, while others suggest abnormalities or disease, and care should be taken to discern whether the problem is pathological or physiological. Smooth, rounded masses in the foot and ankle can occur at any age, mostly in youth and middle age, and more often in women than men. The cysts are slow growing, round and usually do not exceed 2 cm in diameter. they are also found suddenly. A few of them may recede on their own, or they may grow again. In some cases, except for the local swelling, there is no conscious discomfort, and sometimes there is mild pressure pain. In most cases, there is localized soreness or discomfort, which affects the activity. After tendon sheath cyst surgery, eat more fresh fruits and vegetables. Attention should be paid to the intake of vegetables, such as rape, bok choy, celery, etc. in diet and nutrition to supplement vegetable protein; more food rich in protein and calcium, as well as through the intake of lean meat, chicken, eggs, etc. to supplement animal protein. Eat more vegetables, such as rape, bok choy, orange, apple, raw pear, hawthorn, celery, etc., and more protein and calcium-rich foods and lean meat, chicken, eggs, soy milk, etc. Tendon sheath cyst should be based on a light diet. Avoid high protein i.e. pay attention to drinking less water in moderation. Avoid night urine storage timely urination. Eat less protein-rich food. Usually, patients do not need color ultrasound and magnetic resonance imaging (MRI) examinations. Laboratory tests are of little value for the diagnosis of cysts. Usually, cysts do not cause abnormalities in liver function. Tendon sheath cysts pay attention to rest and avoid overexertion, and the diet should be light and avoid spicy and oily stimulating foods. Exercise appropriately to enhance physical fitness. Diet should be less alcoholic and stimulating, high-fat food. On the tendon sheath cyst patient’s diet should pay attention to the matters introduced here, hope that patients can actively face their disease, do not delay, to be treated at the first time, do not miss the recent time for treatment, in the treatment of patients to do a good job of diet regimen.