Secondly, no matter where you buy medical insurance, you must have household registration information. Without household registration information, it is difficult, so you must have a household registration.
Third, maybe you should make a special trip back to your hometown registered permanent residence. Before returning to your hometown, you should issue a certificate of not entering the house or hold a temporary residence permit and two recent photos for backup. You two had better go back to your hometown.
If you have a household registration in your hometown, it will be easy. Whether to move or not depends on the requirements of medical insurance and your life in Huizhou.
If you can't find the household registration information of your hometown now, you will be in trouble. This is to make up the account. You have to go through layers of censorship (for example, you have to see yourself). The most important thing is to find evidence to prove the date of birth and identity information of the elderly, such as a first-generation certificate and previous household registration records (paper).
Fourth, anyway, everyone has a household registration.