Lam Fung has been well-known as a player of the pipa and the zheng. He has taught extensively in Hong Kong, and was Principal of the Western and Chinese Music Academy. He has been instrumental in promoting traditional Chinese music in Hong Kong as well as countries abroad where he performs frequently, particularly Singapore and Japan. He was leader of the plucked strings section in the Hong Kong Chinese Orchestra. He made a dozen of pipa recordings to great critical acclaim. He founded the Shatin Chinese Orchestra in the nineties and has been conducting their concerts frequently.