It is best to eat lamb without watermelon. Lamb is rich in nutrition, rich in protein, is a good tonic at the same time is often eaten food. Watermelon is rich in water, but also contains a lot of minerals and trace elements, is a good product for people to quench the summer heat, thirst. From the nature of the food, lamb is sweet and hot while watermelon is cold, so the two are not compatible in terms of food pairing. Because the two together will reduce the tonic effect of mutton, but also on the gastrointestinal tract will have a negative impact, especially on the elderly, weak patients and people with cardiopulmonary insufficiency should pay attention. If you especially like to eat watermelon when eating lamb, you can eat watermelon 6-8 hours after eating lamb. Because 6-8 hours after eating to the stomach of the lamb basically emptied, this time eat watermelon will not cause significant impact on the human body.