1. Understand the margin policy: First of all, you need to understand the margin policy of Peony International Garlic. This includes understanding the calculation method of the deposit, the proportion requirements of the deposit and how to pay the deposit.

2. Prepare funds: After understanding the margin policy, you need to prepare enough funds to pay the increased margin. This may involve selling other assets or bank loans.

3. Contact the broker: Contact the broker and tell them that they need to increase the margin. Brokers may require some documents, such as records of fund transfer, to prove that sufficient margin has been paid.

4. Submit an application: submit an application for increasing the margin to the brokerage firm. This may require filling out some forms or providing other necessary information.

5. Waiting for review: The broker will review the application to ensure that sufficient deposit has been paid. This may take some time, so be patient.

6. Position adjustment: After the margin is increased, the position needs to be adjusted accordingly to meet the regulations of the Exchange. This may involve selling some garlic or lightening positions.