The invention relates to a refreshing and brain-strengthening lozenge which is characterized in that the troche comprises the following main ingredients by weight: 300-400kg of oat, 90-130kg of milk powder, 10-20kg of whey protein powder, 90-130kg of white sugar, 70-90kg of peanuts, 50-70kg of walnuts, 50-70kg of soybeans, 50-70kg of bananas, 50-70kg of lettuces, 40-60kg of sesames, 30-50kg of longan pulps, 30-50kg of agarics, 20-30kg of mints, 20-30kg of lemons and 2-4kg of lucid ganoderma. The lozenge provided by the invention is rich in proteins, mineral substances as well as vitamins A and E, cellulose, lecithin, beta-lactoglobulin, alpha-lactoglobulin, immune globulins and lactoferrin, is beneficial for nutritional supplement of brain, and can eliminate fatigue and has the effects of refreshing and strengthening brain, relieving the pressure and strengthening brain and reinforcing intelligence, so that people are full of energy and stay focused.