The standards for the issuance of high temperature subsidies in Xiamen are based on the relevant policies of the Xiamen Municipal Government, and the specific standards are as follows:

1. Scope of beneficiaries: High temperature subsidies are mainly for front-line production staff, outdoor workers and other workers who are easily affected by high temperatures.

2. Subsidy standards: According to the actual situation of the high temperature working environment, it is generally issued at a standard of 30 yuan per person per day.

3. Subsidy time: Generally from June 1 to September 30 each year, that is, the high temperature season.

4. Subsidy issuance method: Generally, it is issued by bank transfer, direct salary issuance, etc.

It should be noted that the specific standards for the issuance of high temperature subsidies may vary depending on factors such as region, industry, and occupation. It is recommended that you consult the relevant departments for specific information or consult the relevant local policy documents to obtain the most accurate information.