1. Negotiate with training institutions and try to reach a refund agreement; If not, keep relevant evidence.

2. Complaints to consumer associations are not limited to consumers or consumer associations where training institutions are located.

3. If the problem is not solved, you can bring a lawsuit to the court to demand a refund of the fee and a penalty.

4. In this process, all evidence of transactions and communications should be kept.

Types and characteristics of social security:

1, old-age insurance: providing basic living security for retired workers. The longer the payment period, the more pensions you receive after retirement;

2. Medical insurance: reducing the economic burden of employees seeking medical treatment due to illness, including basic medical insurance and serious illness insurance;

3. Unemployment insurance: providing economic assistance to the unemployed for a certain period of time and providing employment services at the same time;

4. Work-related injury insurance: provide medical care, rehabilitation, disability allowance and other protection for workers with work-related injuries;

5. Maternity insurance: give certain financial subsidies to female workers during maternity leave and guarantee their wages during maternity leave.

To sum up, when consumers encounter the problem that training institutions do not refund, they should first try to negotiate with the institutions to refund and keep the evidence, and then complain to the consumers' association, and if necessary, they can bring a lawsuit to the court for refund and compensation, while paying attention to keeping all relevant transaction and communication evidence throughout.

Legal basis:

Law of the People's Republic of China on Protection of Consumer Rights and Interests

Article 39

Disputes over consumers' rights and interests between consumers and business operators can be resolved through the following channels:

(a) negotiated settlement with the operator;

(2) Requesting consumers' associations or other mediation organizations established according to law to mediate;

(three) to complain to the relevant administrative departments;

(four) according to the arbitration agreement reached with the operator, submit it to an arbitration institution for arbitration;

(5) bring a lawsuit to the people's court.

Law of the People's Republic of China on Protection of Consumer Rights and Interests

Article 53

Where a business operator provides goods or services in advance, it shall provide them in accordance with the agreement. If it is not provided in accordance with the agreement, it shall fulfill the agreement or return the advance payment according to the requirements of consumers; And shall bear the interest of the advance payment and the reasonable expenses that the consumer must pay.