Most nuts can be eaten in moderation by elderly people who are generally healthy, such as pecans and pistachios. While there are swallowing difficulties, the elderly allergic to nuts are not suitable for eating nuts. 1. Pecans: about 100g of walnuts contain 18g of protein, containing about 2576KJ of energy, 26.2g of carbohydrates, 50.4g of fat, 0.16mg of vitamin B1 and other ingredients. 2. Pistachios: 100g pistachios contain about 756.4mg sodium, 8.2% dietary fiber, which also contains 53% fat, 0.8% water, 108mg calcium, 20.6% protein and other ingredients. Healthy elderly people eat the above nuts in moderation, can provide energy for the body, supplement the nutrients it contains, to a certain extent, to maintain the normal physiological function of the body. However, if the elderly have difficulty in swallowing, they are not suitable for eating nuts. In addition, those who are allergic to nuts should avoid eating nuts. In summary, the elderly need to strengthen dietary management, according to the physical condition of the development of appropriate dietary programs, balanced nutrition, rational collocation, when the body appears to be unwell, should go to the hospital in a timely manner to consult the doctor.