Hyaluronic acid injection projects: nose augmentation, improve nose shape; chin augmentation; lip augmentation, improve lip shape; nasolabial fold injection, improve deep lines; apple muscle injection; various facial depressions injection, improve face shape; tear trough, interbrow lines, deep crow’s feet, upper lip skin wrinkles and other injections, facial rejuvenation; temporal plexus, i.e., temporal filling requires a larger amount, 10-20ml unilateral; hyaluronic acid breast augmentation is not recommended for the time being, France has Hyaluronic acid breast augmentation is not recommended at the moment, and has been explicitly prohibited in France. Injections precautions: 1, 2 weeks before the injection period to stop all kinds of blood tonic, Chinese medicine, including vitamin E, etc.; 2, 1 week before the injection to stop facial skin care massage; 3, injection to avoid menstruation, coagulation dysfunction may lead to local bleeding petechiae; 4, facial injection site around the recent herpes, acne, infection, etc., it is recommended to heal before injection; 5, the face has been microplastic patients The patient should be informed truthfully to avoid drug superimposed reactions.