If it is in the daytime after eating crab can drink ginger tea, because the crab belongs to the cool, and ginger sex warm, with food can dissipate the body’s cold, on the stomach and intestines of digestion and absorption help. But if you drink ginger tea at night, try to before eight o’clock, because ginger tea attributes spicy, drink at night will corrode the gastric mucosa, stimulate excessive secretion of gastric acid, causing gastrointestinal dysfunction phenomenon. And ginger tea is hot, drink at night, will affect the quality of sleep, and the body’s metabolic function, easy to fire. At night when you do the crab can add ginger, remove the cold in the crab, eat crab should pay attention to, do not eat with persimmons, due to both belong to the cold food. Vomiting and diarrhea will occur if consumed at the same time. It should not be taken together with pear, pomegranate and melon, which will damage the stomach and cause diarrhea. Although crabs are good, but not easy for all people to eat, for allergy, cold, fever, gout patients and digestive disorders patients are not easy to eat, to avoid increasing the symptoms of disease.