Blood donation is a voluntary act of providing blood to others for free, which embodies the humanitarian spirit and the sense of social responsibility of helping each other. Blood donors don't get any reward from blood donation, but voluntarily help patients who need blood. Blood donation conforms to the characteristics of voluntary service activities, that is, voluntary, unpaid and serving social welfare.

The characteristics and significance of blood donation as a voluntary service activity include:

1, voluntary: blood donors voluntarily participate in blood donation activities without external pressure or coercion.

2. Free: Blood donors do not charge any form of remuneration or compensation.

3. Public welfare: Blood donation activities are aimed at helping patients, ensuring the supply of blood for medical use and serving the public interest.

4. Social responsibility: Blood donation embodies the social responsibility of citizens and enhances the spirit of social solidarity and mutual assistance.

Before donating blood, the following conditions must be met:

1, the body is in a healthy state, without inflammation or susceptible diseases.

2, the blood state is normal, three days before blood donation shall not take drugs to reduce platelets.

3, diet must pay attention to, do not eat high-fat food, do not drink.

4. Keep enough sleep, avoid strenuous exercise, keep a good mood and reduce stress.

To sum up, blood donation, as a voluntary and unpaid public welfare behavior, is a form of voluntary service activities, which is of great significance for maintaining public health and promoting social harmony.

Legal basis:

People's Republic of China (PRC) blood donation method

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The state practices the system of voluntary blood donation. Advocate1healthy citizens aged 8 to 55 to donate blood voluntarily.