Middle-aged and elderly people who want to take traditional Chinese medicine for constipation can eat hemp seed and cassia seed, both of which have laxative effects. China Pharmacopoeia can check them. Hemp seed: Runchang laxative. Used for blood deficiency and body fluid deficiency, intestinal dryness and constipation. . Cassia seed: clearing away heat and improving eyesight, moistening intestines and relaxing bowels. Used for red eyes, astringent pain, shame, tears, headache, dizziness, blurred vision and constipation.

It can be made into Shengyuantang Constipation Cream: hemp seed, cassia seed and fig. Adding figs can promote digestion.