Both FL are cute, likes food, adorable and quirky. Both dramas have sisterhood. ML fall in love first. Cute secondary couples. Both dramas have concubines.

New Life Begins has more political moments. And secondary couples. Mengfei is more orientated on who will fall in love with ML(more love triangles) les secondary ML.

Both are romantic family dramas with interesting family members and relationships.
SWLT is more easy going, warm and focused on whole family and MOM is more focused on mother and daughter relationship and living together while working.