Three Fresh Fish Maw
                            
                                1.
                                Prepared materials. Soak the fish maw with warm water to remove the sand.
                                    
                            
                            
                                2.
                                Wash the vegetables, blanch them in a pot of boiling water, and remove them.
                                    
                            
                            
                                3.
                                Shell the winter bamboo shoots, slice them, and blanch them in a pot of boiling water.
                                    
                            
                            
                                4.
                                Heat oil in a pan, and stir-fry winter bamboo shoots and mushrooms.
                                    
                            
                            
                                5.
                                Pour in cooking wine, light soy sauce and sugar.
                                    
                            
                            
                                6.
                                Add appropriate amount of water and boil for a while.
                                    
                            
                            
                                7.
                                Add the choy sum.
                                    
                            
                            
                                8.
                                Add fish maw and stir fry a few times.
                                    
                            
                            
                                9.
                                The final thickening is enough.
                                    
                            
                            
                                Tips: 
                                Those with excessive phlegm and thick and greasy tongue coating should not eat; those who have not caught a cold should not eat; those with poor appetite and damp phlegm should not use it.