According to the situation you described, elderly people with constipation can eat sesame oil, which is a vegetable oil suitable for all ages. Sesame oil is made by pressing hemp seeds.

Li Shizhen recorded in Compendium of Materia Medica that hemp seed is sweet in taste and flat in nature, belonging to the spleen and stomach, which tonifies the middle energizer. Take it for a long time, it will not die, moisten the intestines and relax the bowels. Hemp seed is commonly used in traditional Chinese medicine to treat constipation, because hemp seed is both medicine and food, which has the function of moistening intestines and relaxing bowels, but it does not damage yang. Regular consumption can nourish yin and tonify deficiency, tonify middle energizer and replenish qi.

How to eat:

① 1 teaspoon sesame oil+1 teaspoon honey+a cup of warm water, mix well and drink together. It is recommended to drink one hour before meals.

② 1 teaspoon sesame oil+1 cup plain yogurt, stir well and eat together.

(3) Eat hot broccoli with one or two teaspoons of sesame oil.

Can also be directly cold, steamed, boiled, simmered, fried, stewed.