1. Go to various apps to find like-minded friends to learn from each other. For example, Keep, or QQ group search can be used.
2. Go to the APP store to find a special Jiu Jitsu app, and there will be detailed tutorials and corresponding suggestions. Or I went online to find a video of Jiu Jitsu teaching. This suggestion is to find a better series of tutorials, which can gradually improve the difficulty, slowly and steadily, and is more secure. At the same time, you can watch different coaches explain an action or a skill in your spare time, and different explanations will be very helpful to you.
3. In reality, use the map to search whether there are clubs, apps and gyms about Jiu Jitsu. It is more conducive to offline communication and improvement. If you have the conditions, you can directly report to the remedial class.
Note: When you are new and inexperienced, remember to read the corresponding precautions and take protective measures. You'd better have someone to help you. Be safe.