Both has father and mentally challenge son strong relationship. Also a brother in the mist. Tremendous fatherly love. The brother at first didn’t want anything to do with the younger brother were touch and soften up. He eventually pick up the responsibility

Both movies has a young man with mentally challenge. Sweet in heart but socially challenge. The parent (s) love and effort put in to support the grown son. Tremendous love

Both Chinese movie involving Father and mentally challenge son relationship. The father teaches the son the routine of living. Heartwarming movies. Must watch

If you like Xhu Xu acting, you should watch Lan. He can carry the whole show. Very raw and real. Too bad Lan was his last movie

Not a similar movie, but If you like Zhu Xu (the father) acting, you should watch The King of Masks. His acting was just so real and touches people hearts

Both has calm and religious vibe. Both main lead changed himself evolved into music and humanity. They decided to stay away from civilization and follow their soul and spirit

Ancient instrument. Lovely. Touching. Simple yet beautiful. Very sentimental value. Touches people heart. It connected human emotion.

Both involved ancient musical instrument. It is sentimental. Appreciation the history of ancient music. Lovely and cute. Youth coming to age

The similarity is the folk instrument. Both have youth vibe. Coming to age. Shy but cute. Appreciation of ancient instrument.

Both has traditional instruments. A team of Ancient music players and a modern Western music players. They compete at a point. Some romance.

One is comedy one is not.
One is short story one is regular length
One is trying not to get hitd, one is in the competition

Both movies have a strong female lead. They endure hardship, good cook, they are tough, very independent. Strong survivor