It's the season of chrysanthemum and crab fat again, and Shenzhen people who like seafood and seafood have a big forefinger. Of course, it's indispensable to eat crabs during a long vacation. Crab meat is tender, delicious and rich in nutrition. The content of protein is several times higher than that of pork and fish, and the contents of riboflavin, calcium, phosphorus, iron and vitamin A are also high. However, delicious crabs are not suitable for everyone. People with certain diseases should fast or eat less. 1, hepatitis patients should not eat crabs. Patients with hepatitis are prone to indigestion, abdominal distension and vomiting due to gastric mucosal edema, abnormal bile secretion and decreased digestive function, while crab meat is rich in protein, which is difficult to digest and absorb. 2, cardiovascular patients avoid eating crabs. Crabs contain high cholesterol. Every100g of crab meat contains 235 mg of cholesterol, and every100g of crab yolk contains 460 mg of cholesterol. Patients with coronary heart disease, arteriosclerosis, hypertension and hyperlipidemia eat foods with high cholesterol, which will lead to increased cholesterol and aggravate the development of cardiovascular diseases. 3. People with colds and fever should not eat crabs. The diet of catching a cold should be light, and crabs with high protein are not easy to digest and absorb, and it is easy to make the cold difficult to heal or aggravate the condition after eating. 4. Anyone with deficiency of spleen and stomach should not eat or eat less crabs. Crabs are cold, and it is easy to cause abdominal pain, diarrhea or indigestion after eating. Patients with chronic gastritis and gastric and duodenal ulcer had better not eat crabs, because it is easy to make the old disease relapse or worsen after eating. 5. People with allergies should avoid eating crabs. After such people eat crabs, specific crab proteins enter the body through the intestinal wall with increased permeability, resulting in allergic reactions and a large amount of histamine, which causes smooth muscle spasm and vascular edema in the gastrointestinal tract, resulting in nausea, vomiting, abdominal pain and diarrhea; Some can also cause urticaria or asthma. In addition, people suffering from skin diseases such as dermatitis, eczema and tinea should also eat carefully, because eating crabs can make their condition worse. 6. People with biliary diseases such as cholecystitis and cholelithiasis should not be crabs. The formation of cholecystitis and gallstones has a certain relationship with excessive cholesterol and metabolic disorders in the body. Eating crabs is easy to make the disease relapse or get worse. 7. Pregnant women should eat less or not eat crabs. Chinese medicine believes that crabs are cold and have the function of promoting blood circulation and removing blood stasis, so they are not good for pregnant women. 8, the elderly should not eat more crabs. Because of the decline of digestive system organ function and poor digestion and absorption ability of the elderly, eating crabs should be based on tasting, not eating more. However, children should not eat more crabs because of the imperfect development of digestive organs and poor digestion and absorption ability. Tips: When eating crabs, ginger vinegar can be used as seasoning, which can help digestion and sterilization. You can put some perilla leaves when steaming crabs. Perilla frutescens is pungent and warm in nature, sweating to relieve exterior symptoms, and activating qi to relieve fish and crab poison. If you feel gastrointestinal discomfort after eating crab, you can take 5 slices of perilla15g and ginger, which can warm your stomach and relieve pain and diarrhea. The ancient medical book records: "Where persimmon is eaten with crab, it makes people diarrhea." The reason is that crab is rich in protein, while persimmon has a lot of tannic acid. If they are eaten together, they will solidify and harden. In addition, crabs and persimmons are cold things, and eating too much at the same time is easy to cause discomfort.