In general, eating some crabs and a small amount of mangoes will not have much effect on normal people. However, you should try to avoid eating more at the same time or for a long time at the same time, and special people should pay more attention when eating mangoes and crabs to avoid adverse effects on the body. The crab is rich in protein, and the mango contains more vitamin C, which can easily react with the protein in the crab, resulting in protein denaturation and affecting digestion and absorption. If you consume too much mango and crab at one time, it will easily lead to the occurrence of indigestion symptoms such as bloating, diarrhea and abdominal pain. You can avoid the reaction of the nutrients in crabs and mangoes by spacing them out when consuming them. Both crabs and mangoes are allergens and should be consumed with caution by allergy-prone people to prevent the occurrence of allergies such as itchy skin and rashes caused by body allergies. In addition, the purine content of crab is high, so people suffering from hyperuricemia and gout should minimize or avoid eating crab to avoid triggering or aggravating the condition. In addition, in Chinese medicine, crab is considered a cold food, and mango is also a cool food. Simultaneous consumption is likely to aggravate the coldness in the body, especially for people with a cold spleen and stomach and a cold constitution, and is more likely to cause some TCM conditions, so it is recommended to avoid eating them together as much as possible.