First of all, choosing children's roller skates is not as expensive as possible. The more expensive shoes are often roller skates for practicing difficult patterns, which often pay more attention to performance and have to lose some comfort.

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　　Secondly, supermarket roller skates are easy to hurt children's feet and should not be chosen. Roller skates in the supermarket are between 150 yuan and 300 yuan, and the market price is between 300 yuan, 150 yuan. Their disadvantages are as follows: the foot performance of the shoes is very poor, and the ankles can not be fixed well, and it is easy to hurt the children's ankles when sliding (this is the biggest disadvantage for children who are beginners in roller skating); In terms of performance, it can only meet the step-by-step semi-sliding and semi-walking state. That is, most of the children's roller skates at the supermarket level can only be regarded as toys, and the exercise effect on children's coordination ability, balance ability and so on is not satisfactory.