(1) Cui He's diet is the most reasonable. Because the energy ratio of three meals in his diet is more appropriate, and the food in the "balanced diet pagoda" is more comprehensive.

(2) There is too little meat in Xianxing's recipe; In Meng Duo's cookbook, the energy ratio of three meals is not appropriate, the energy of lunch is too little, and the energy of dinner is too much; Li Li's recipe lacks meat, vegetables and fruits.