The medical first aid supplies typically include the following key components:

1. Disinfection supplies: This is one of the most important accessories in the first aid kit, including alcohol, iodine and other disinfectants, as well as disinfectant cotton swabs, gauze, etc. They are used to clean wounds and prevent infection.

2. Bandaging materials: These materials are used to bandage and fix wounds, including sterile gauze, bandages, and triangular bandages. They can effectively protect wounds and prevent secondary injuries.

3. Hemostatic products: such as tourniquets, hemostatic gauze, etc., used to control bleeding. These supplies can quickly and effectively stop bleeding, buying valuable time for the injured.

4. Emergency drugs: including painkillers, anti-inflammatory drugs, band-aids, etc. These drugs can alleviate the pain and discomfort of the injured and prevent wound infection.

5. Scissors, tweezers and other tools: These tools also play an important role in emergency procedures, used for cleaning wounds, cutting bandages and other operations.

In addition to the basic accessories mentioned above, the medical kit supplies can also be equipped with other accessories according to different needs, such as anti-mosquito bite ointment, high-altitude reaction medication, etc. When configuring medical first aid supplies, appropriate accessories should be selected based on the actual situation and needs to ensure timely assistance in emergencies.