1, SMS group sending: Use SMS group sending function to send your WeChat number to your parents.
2. Telephone communication: When communicating with parents by telephone, provide your own WeChat number and invite them to be friends.
3. Face to face: I have the opportunity to meet or consult my parents face to face. During the conversation, I personally submitted my business card or wrote down my personal WeChat account, indicating that I am welcome to contact at any time.