1. Brand positioning: maxiaona is a high-end luxury brand, which is good at fashion trends and hand-making, and its price is relatively high.

2. Handmade: Ma Xiaona's clothes are mostly handmade, paying attention to details and quality will increase the production cost.

3. Fashion trend: Ma Xiaona's clothes are fashionable in design, unique in style and with a sense of design. The market demand is large, and the price is correspondingly high.

4. Rarity: Ma Xiaona's clothing production is limited, and the brand is limited for sale. Things are rare and expensive, and prices will naturally rise.

To sum up, Ma Xiaona's clothes are expensive, not only because it has high requirements and standards in brand positioning, hand-making, fashion trends, rarity and so on.