Legal analysis: According to the relevant laws and regulations of our country, if a bank employee illegally issues loans, the amount is huge or causes heavy losses, which constitutes the crime of illegal lending and can be investigated for criminal responsibility.

Legal basis: Article 186 of the Criminal Law of People's Republic of China (PRC), if a bank or other financial institution staff issues loans in violation of state regulations, and the amount is huge or heavy losses are caused, they shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also be fined not less than 10,000 yuan but not more than 100,000 yuan; If the amount is especially huge or especially heavy losses are caused, he shall be sentenced to fixed-term imprisonment of not less than five years and fined not less than 20,000 yuan but not more than 200,000 yuan.