Tennis elbow, or epicondylitis of the humerus, is primarily the result of chronic cumulative fatigue injuries, and there are usually no special dietary requirements for this condition. Epicondylitis of the humerus is a disease of the locomotor system, which is caused by chronic tearing and straining of the extensor muscles of the forearm due to repeated pulling, resulting in inflammation of the muscles and tendons connecting the extensor muscles of the forearm and the elbow joint. The disease usually has no special requirements in terms of diet, but a scientific and reasonable diet can improve the body’s immunity and promote the recovery of the organism. Dietary taboos, similar to the general population, cold, spicy, high oil, high salt and other stimulating diet will increase the burden on the stomach and intestines, affecting the absorption of nutrients, is not beneficial to health, should be avoided. The main focus is on light, easy-to-digest and nutritious food, such as eggs, meat, fresh fruits and vegetables.