The present invention discloses a feedback method for semi-static transmission, a terminal device, a network device, a chip, a computer-readable storage medium, a computer program product and a computer program. The method includes: determining a first HARQ-ACK codebook, where the first HARQ-ACK codebook includes a second HARQ-ACK codebook and/or a third HARQ-ACK codebook that are combined, and a downlink transmission occasion window corresponding to the second HARQ-ACK codebook is independent from a downlink transmission occasion window corresponding to the third HARQ-ACK codebook; and sending the first HARQ-ACK codebook.