Hello, sirens call the police. Please check whether the water temperature added at 1 is too high. If it is above 70 degrees, this will happen. 2. The amount of water added is too small, please add it between two water levels; 3. Add too little bean material, please follow the recipe; 4. Whether there is secondary pulping. 5, whether the nose part in the process of cleaning water. If the above situation has been ruled out, it is recommended that you take the machine to the nearest Jiuyang after-sales outlet for maintenance.