1. Is it legal for training institutions not to refund fees? It depends on the specific situation:

(1) It is illegal to ask for a refund without a contract, an invoice and school qualifications;

(2) If the parties and the training course sign a contract based on peaceful negotiation and obtain an official invoice, it depends on the refund conditions in the contract.

2. Legal basis: Article 19 of the Law of People's Republic of China (PRC) on the Protection of Consumer Rights and Interests.

When a business operator discovers that the goods or services it provides are defective and endanger personal and property safety, it shall immediately report to the relevant administrative department and inform consumers, and take measures such as stopping sales, warning, recall, harmless treatment, destruction, and stopping production or services. Where recall measures are taken, the business operator shall bear the necessary expenses incurred by consumers for recalling goods.

Article 48

Business operators who provide commodities or services under any of the following circumstances shall bear civil liability in accordance with the provisions of other relevant laws and regulations, except as otherwise provided in this Law:

(a) The goods or services are defective;

(two) the goods do not have the performance that the goods should have and are not explained at the time of sale;

(three) does not meet the commodity standards indicated on the commodity or its packaging;

(four) does not meet the quality conditions indicated by commodity descriptions, physical samples, etc.;

(five) the production of goods explicitly eliminated by the state or the sale of invalid or deteriorated goods;

(six) the number of goods sold is insufficient;

(seven) the service content and fees are in violation of the agreement;

(8) Deliberately delaying or unreasonably refusing consumers' requests for repair, rework, replacement, return of goods, replenishment of commodity quantity, refund of payment for goods and service fees or compensation for losses;

(nine) other circumstances that harm the rights and interests of consumers as stipulated by laws and regulations.

Business operators who fail to fulfill their obligations to protect consumers' safety and cause damage to consumers shall bear tort liability.

Second, how do consumers protect their rights?

The ways for consumers to protect their rights are as follows:

1, negotiate with operators to resolve disputes;

2. complaints;

3. Mediation. You can apply for mediation by consumer associations or other mediation organizations established according to law;

4. arbitration. Arbitration settlement needs to reach an arbitration agreement with the operator in advance;

5. Litigation settlement.