The elderly with yin deficiency are characterized by red face and excessive internal heat, dry mouth and throat, dry cough, chapped lips, night sweats, dry skin and dry hair. It is advisable to prevent dryness and protect yin, nourish kidney and moisten lung. You can eat some soft and moist foods, such as milk, soybean milk, eggs, fish, sesame seeds, honey, lilies and so on. And avoid hot and dry food, such as pepper, pepper, star anise, fennel and so on. , in order to avoid heat injury Yin.

The elderly with yang deficiency are mainly characterized by pale face, tepid limbs, listlessness and fear of cold. They should eat warm and cooked soft foods, such as beans, dates, yams, longan, pumpkins, leeks, celery, chestnuts and chicken. Avoid eating sticky, hard and cold food.

Heavy snow mainly supplements the sun, but it can't be too mechanical. According to the deficiency of yin and yang and the decline of qi and blood, combined with the nature of food to choose. The diet of people with yin deficiency is different from that of people with yang deficiency and should be targeted.