We should keep in good shape in our daily life, whether standing or sitting. When standing, keep your head straight, shoulders flat, feet together, chest out and abdomen in, eyes straight, and smile. When sitting down, keep your upper body straight and your legs together. Women should lean on their knees and naturally put their legs down. Men can separate slightly and naturally bend their legs. In social interaction, the correct standing and sitting posture should be relaxed, natural and generous. ""Sit up straight with your legs straight and your upper body straight. " "Women should rely on their knees and let their legs down naturally. Men can be slightly separated and their legs should bend naturally. " "In social interaction, the correct standing posture and sitting posture should be relaxed, natural and generous." "Sit up straight, your legs are straight, and your upper body is straight." "Women should rely on their knees and let their legs down naturally. Men can be slightly apart and their legs should bend naturally. "