How can a wife apply for a visit visa when her husband holds an American green card?

In this case, you can only apply for a tourist visa to go to the United States. The visa for visiting relatives does not meet the requirements, and the immigration tendency is too great. If you want to apply, you should provide evidence that he has a reason to return to China in China, such as a real estate in China, a permanent job and parents. It's okay to make them think you're coming back anyway. In fact, there is nothing special, so there is a possibility of passing.

All non-immigrant visa applicants must meet with consular officials, and the applicant must convince embassy and consulate officials that he will not stay in the United States for a long time before he can obtain an entry visa. Foreigners visiting relatives in the United States are allowed to stay for three months with a visa, and the longest stay is not more than half a year. In fact, if you don't understand this kind of problem, you can go online to find out. They are state-owned institutions that refuse to sign and then sign. I once turned to them for help when my visa was refused in the United States. They have a good reputation in the embassy, but the fees are too high.