Cowslip is an alias for Kwanda cabbage, a common food that is good for health when eaten in moderation, but has no medicinal value and is not used to treat constipation. There is a lot of water content in Kanda cabbage, accounting for 95.1%, and the main nutrients are carbohydrates, accounting for 2.1%, followed by proteins accounting for 1.7%. In terms of vitamins, kwan tat choy has a high carotene content of 380mg/100g. In terms of minerals, kwan tat choy has a sodium content that ranks high among similar foods at 260mg/100g. Moderate consumption of Kwanzaa can supplement some of the nutrients needed by the body, but it is not possible to maintain the body’s activity by consuming Kwanzaa alone, and patients are advised to eat a balanced diet. There is no research result showing that guanda cai has medicinal value, so there is no medicinal efficacy and effect, and can not treat constipation. Constipation patients can follow the doctor’s advice to choose polyethylene glycol, senna, Kai Sei Nou and other medication, and if necessary, can also consider surgical treatment. It is recommended that patients who are not feeling well go to a regular hospital in time and follow the doctor’s instructions for symptomatic treatment.