1. Relaxing muscles: Relaxing the muscles around the lips is the first stage of smiling practice, also known as Doremi's lip muscle relaxation exercise. It starts with a bass duet and ends with a treble duet. Say each voice loudly and clearly three times. Pronunciation is not a continuous practice, but a syllable-by-syllable practice. You should pay attention to your mouth shape to pronounce correctly.

2, increase the elasticity of lip muscles: the most important part when forming a smile is the corner of the mouth. If you exercise the muscles around your lips, you can make the mouth movements more skillful and beautiful, and you can also effectively prevent wrinkles. If the mouth becomes capable and full of vitality, the overall expression will give people a feeling of elasticity, so they will unconsciously look younger. Straighten your back and sit in front of the mirror and practice the maximum contraction or extension repeatedly.

Extended data:

Precautions for users' smile practice:

1, establish smile awareness: Before starting smile training, it is first necessary to be clear why you smile. In fact, on the one hand, smiling allows users to better serve customers, on the other hand, it helps users to evacuate bad emotions.

2. Recall happy things: Many people worry that they can't laugh. You can recall things that make users happy in your memory. Think of these beautiful things, the user's mouth will naturally rise, revealing a beautiful smile.

3. Mutual evaluation method: This method is actually the same as the introspection method, except that other colleagues or friends help users find problems quickly from the perspective of bystanders.

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