1. For people with kidney diseases, carambola is not suitable for eating, and it is easy to have poisoning symptoms. Normal people should not eat too much carambola in normal times, which will affect the digestion and absorption function of the stomach. Children can't eat too many carambola in the growing period, which is easy to cause lithiasis.

2. The carambola contains high grassland substances. After people with kidney diseases eat carambola, the oxalic acid in the carambola greatly weakens the metabolic function of the human body, and then burps, vomiting, even limb weakness, confusion and other poisoning symptoms appear.

3. Carambola is a kind of cold fruit. Normal people should not eat too much carambola at ordinary times, otherwise it will affect the digestion and absorption function of the stomach and lead to the symptoms of dampness and cold of the spleen and stomach.

4. The high content of oxalic acid in carambola will combine with calcium ions in human body, which will easily cause lithiasis. In particular, children will absorb a lot of calcium during the growth period, so it is not advisable to eat too much carambola.